75456044 has 12 divisors (see below), whose sum is σ = 134286600. Its totient is φ = 37088448.

The previous prime is 75456041. The next prime is 75456067. The reversal of 75456044 is 44065457.

It is a super-2 number, since 2×75456044² = 11387229152259872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75455995 and 75456013.

It is not an unprimeable number, because it can be changed into a prime (75456041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159629 + ... + 160100.

It is an arithmetic number, because the mean of its divisors is an integer number (11190550).

Almost surely, 2^75456044 is an apocalyptic number.

It is an amenable number.

75456044 is a deficient number, since it is larger than the sum of its proper divisors (58830556).

75456044 is a wasteful number, since it uses less digits than its factorization.

75456044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319792 (or 319790 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 75456044 is about 8686.5438466631. The cubic root of 75456044 is about 422.5693669003.

The spelling of 75456044 in words is "seventy-five million, four hundred fifty-six thousand, forty-four".