75074847057 has 16 divisors (see below), whose sum is σ = 127110852480. Its totient is φ = 42899912496.

The previous prime is 75074847053. The next prime is 75074847059.

75074847057 is a `hidden beast` number, since 7 + 50 + 74 + 8 + 470 + 57 = 666.

75074847057 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 75074847057 - 2² = 75074847053 is a prime.

It is a super-2 number, since 2×75074847057² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75074846994 and 75074847012.

It is not an unprimeable number, because it can be changed into a prime (75074847053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198610518 + ... + 198610895.

It is an arithmetic number, because the mean of its divisors is an integer number (7944428280).

Almost surely, 2^75074847057 is an apocalyptic number.

It is an amenable number.

75074847057 is a deficient number, since it is larger than the sum of its proper divisors (52036005423).

75074847057 is a wasteful number, since it uses less digits than its factorization.

75074847057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397221429 (or 397221423 counting only the distinct ones).

The product of its (nonzero) digits is 7683200, while the sum is 54.

The spelling of 75074847057 in words is "seventy-five billion, seventy-four million, eight hundred forty-seven thousand, fifty-seven".