75000057 has 8 divisors (see below), whose sum is σ = 109091040. Its totient is φ = 45454560.

The previous prime is 75000047. The next prime is 75000071.

75000057 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 75000057 - 2¹⁰ = 74999033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75000007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136332 + ... + 1136397.

It is an arithmetic number, because the mean of its divisors is an integer number (13636380).

Almost surely, 2^75000057 is an apocalyptic number.

It is an amenable number.

75000057 is a deficient number, since it is larger than the sum of its proper divisors (34090983).

75000057 is a wasteful number, since it uses less digits than its factorization.

75000057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272743.

The product of its (nonzero) digits is 1225, while the sum is 24.

The square root of 75000057 is about 8660.2573287403. The cubic root of 75000057 is about 421.7164394857.

It can be divided in two parts, 750000 and 57, that added together give a palindrome (750057).

The spelling of 75000057 in words is "seventy-five million, fifty-seven", and thus it is an aban number and an uban number.