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74361472 = 275691021
BaseRepresentation
bin1000110111010…
…10101010000000
312011220221202121
410123222222000
5123014031342
611213454024
71562030203
oct433525200
9164827677
1074361472
1138a7a969
1220aa1314
1312537a93
149c3993a
1567dd067
hex46eaa80

74361472 has 32 divisors (see below), whose sum is σ = 148547700. Its totient is φ = 37079040.

The previous prime is 74361439. The next prime is 74361487. The reversal of 74361472 is 27416347.

It can be written as a sum of positive squares in 2 ways, for example, as 72863296 + 1498176 = 8536^2 + 1224^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72322 + ... + 73342.

Almost surely, 274361472 is an apocalyptic number.

It is an amenable number.

74361472 is a deficient number, since it is larger than the sum of its proper divisors (74186228).

74361472 is a wasteful number, since it uses less digits than its factorization.

74361472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604 (or 1592 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

The square root of 74361472 is about 8623.3098054053. The cubic root of 74361472 is about 420.5161304051.

The spelling of 74361472 in words is "seventy-four million, three hundred sixty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 569 1021 1138 2042 2276 4084 4552 8168 9104 16336 18208 32672 36416 65344 72832 130688 580949 1161898 2323796 4647592 9295184 18590368 37180736 74361472