75706057 has 8 divisors (see below), whose sum is σ = 86642432. Its totient is φ = 64800000.

The previous prime is 75706009. The next prime is 75706067. The reversal of 75706057 is 75060757.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75706057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75706067) 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, 1944 + ... + 12457.

It is an arithmetic number, because the mean of its divisors is an integer number (10830304).

Almost surely, 2^75706057 is an apocalyptic number.

It is an amenable number.

75706057 is a deficient number, since it is larger than the sum of its proper divisors (10936375).

75706057 is a wasteful number, since it uses less digits than its factorization.

75706057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15159.

The product of its (nonzero) digits is 51450, while the sum is 37.

The square root of 75706057 is about 8700.9227671552. The cubic root of 75706057 is about 423.0355604648.

The spelling of 75706057 in words is "seventy-five million, seven hundred six thousand, fifty-seven".