75472641 has 14 divisors (see below), whose sum is σ = 113158290. Its totient is φ = 50314608.

The previous prime is 75472633. The next prime is 75472651. The reversal of 75472641 is 14627457.

75472641 is a `hidden beast` number, since 7 + 5 + 4 + 7 + 2 + 641 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44836416 + 30636225 = 6696^2 + 5535^2 .

It is not a de Polignac number, because 75472641 - 2³ = 75472633 is a prime.

It is a super-2 number, since 2×75472641² = 11392239079029762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75472596 and 75472605.

It is not an unprimeable number, because it can be changed into a prime (75472601) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 51036 + ... + 52493.

It is an arithmetic number, because the mean of its divisors is an integer number (8082735).

Almost surely, 2^75472641 is an apocalyptic number.

It is an amenable number.

75472641 is a deficient number, since it is larger than the sum of its proper divisors (37685649).

75472641 is an equidigital number, since it uses as much as digits as its factorization.

75472641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103547 (or 103532 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 75472641 is about 8687.4991223021. The cubic root of 75472641 is about 422.6003468336.

The spelling of 75472641 in words is "seventy-five million, four hundred seventy-two thousand, six hundred forty-one".