57070500721 has 8 divisors (see below), whose sum is σ = 62889854720. Its totient is φ = 51455334672.

The previous prime is 57070500701. The next prime is 57070500733. The reversal of 57070500721 is 12700507075.

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 57070500721 - 2⁵ = 57070500689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57070500701) 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, 51046401 + ... + 51047518.

It is an arithmetic number, because the mean of its divisors is an integer number (7861231840).

Almost surely, 2^57070500721 is an apocalyptic number.

It is an amenable number.

57070500721 is a deficient number, since it is larger than the sum of its proper divisors (5819353999).

57070500721 is a wasteful number, since it uses less digits than its factorization.

57070500721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102093975.

The product of its (nonzero) digits is 17150, while the sum is 34.

The spelling of 57070500721 in words is "fifty-seven billion, seventy million, five hundred thousand, seven hundred twenty-one".