75044057 has 4 divisors (see below), whose sum is σ = 81866256. Its totient is φ = 68221860.

The previous prime is 75044041. The next prime is 75044071.

75044057 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75044057 - 2⁴ = 75044041 is a prime.

It is a super-2 number, since 2×75044057² = 11263220982038498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75044077) 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 3 ways as a sum of consecutive naturals, for example, 3411083 + ... + 3411104.

It is an arithmetic number, because the mean of its divisors is an integer number (20466564).

Almost surely, 2^75044057 is an apocalyptic number.

It is an amenable number.

75044057 is a deficient number, since it is larger than the sum of its proper divisors (6822199).

75044057 is a wasteful number, since it uses less digits than its factorization.

75044057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6822198.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 75044057 is about 8662.7972964857. The cubic root of 75044057 is about 421.7988922936.

The spelling of 75044057 in words is "seventy-five million, forty-four thousand, fifty-seven".