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74479001 = 4111291609
BaseRepresentation
bin1000111000001…
…11010110011001
312012010220222112
410130013112121
5123031312001
611220202105
71563026642
oct434072631
9165126875
1074479001
11390501a3
1220b39335
131257941c
149c6a6c9
156812cbb
hex4707599

74479001 has 8 divisors (see below), whose sum is σ = 76410600. Its totient is φ = 72552960.

The previous prime is 74478997. The next prime is 74479003. The reversal of 74479001 is 10097447.

74479001 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in 4 ways, for example, as 2483776 + 71995225 = 1576^2 + 8485^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74479001 - 22 = 74478997 is a prime.

It is a super-3 number, since 3×744790013 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74479003) 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 7 ways as a sum of consecutive naturals, for example, 45485 + ... + 47093.

It is an arithmetic number, because the mean of its divisors is an integer number (9551325).

Almost surely, 274479001 is an apocalyptic number.

It is an amenable number.

74479001 is a deficient number, since it is larger than the sum of its proper divisors (1931599).

74479001 is a wasteful number, since it uses less digits than its factorization.

74479001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 74479001 is about 8630.1217256769. The cubic root of 74479001 is about 420.7375570124.

The spelling of 74479001 in words is "seventy-four million, four hundred seventy-nine thousand, one".

Divisors: 1 41 1129 1609 46289 65969 1816561 74479001