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74476404 = 223215713177
BaseRepresentation
bin1000111000001…
…10101101110100
312012010210102100
410130012231310
5123031221104
611220142100
71563016242
oct434065564
9165123370
1074476404
1139049252
1220b37930
13125781a2
149c69792
156812139
hex4706b74

74476404 has 36 divisors (see below), whose sum is σ = 189473284. Its totient is φ = 24665472.

The previous prime is 74476403. The next prime is 74476453. The reversal of 74476404 is 40467447.

74476404 is a `hidden beast` number, since 7 + 4 + 4 + 7 + 640 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34786404 + 39690000 = 5898^2 + 6300^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74476403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 937 + ... + 12240.

Almost surely, 274476404 is an apocalyptic number.

It is an amenable number.

74476404 is an abundant number, since it is smaller than the sum of its proper divisors (114996880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74476404 is a wasteful number, since it uses less digits than its factorization.

74476404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13344 (or 13339 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 74476404 is about 8629.9712629881. The cubic root of 74476404 is about 420.7326667385.

The spelling of 74476404 in words is "seventy-four million, four hundred seventy-six thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 157 314 471 628 942 1413 1884 2826 5652 13177 26354 39531 52708 79062 118593 158124 237186 474372 2068789 4137578 6206367 8275156 12412734 18619101 24825468 37238202 74476404