73770814257 has 16 divisors (see below), whose sum is σ = 112446523392. Its totient is φ = 42142055760.

The previous prime is 73770814211. The next prime is 73770814259. The reversal of 73770814257 is 75241807737.

It is not a de Polignac number, because 73770814257 - 2²⁸ = 73502378801 is a prime.

It is a super-2 number, since 2×73770814257² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73770814259) 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, 457353 + ... + 597254.

It is an arithmetic number, because the mean of its divisors is an integer number (7027907712).

Almost surely, 2^73770814257 is an apocalyptic number.

It is an amenable number.

73770814257 is a deficient number, since it is larger than the sum of its proper divisors (38675709135).

73770814257 is a wasteful number, since it uses less digits than its factorization.

73770814257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057948.

The product of its (nonzero) digits is 2304960, while the sum is 51.

The spelling of 73770814257 in words is "seventy-three billion, seven hundred seventy million, eight hundred fourteen thousand, two hundred fifty-seven".