71574130257 has 16 divisors (see below), whose sum is σ = 109076203392. Its totient is φ = 40895429760.

The previous prime is 71574130231. The next prime is 71574130333. The reversal of 71574130257 is 75203147517.

It is not a de Polignac number, because 71574130257 - 2⁶ = 71574130193 is a prime.

It is a super-2 number, since 2×71574130257² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71574130757) 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, 52957 + ... + 382037.

It is an arithmetic number, because the mean of its divisors is an integer number (6817262712).

Almost surely, 2^71574130257 is an apocalyptic number.

It is an amenable number.

71574130257 is a deficient number, since it is larger than the sum of its proper divisors (37502073135).

71574130257 is a wasteful number, since it uses less digits than its factorization.

71574130257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339448.

The product of its (nonzero) digits is 205800, while the sum is 42.

The spelling of 71574130257 in words is "seventy-one billion, five hundred seventy-four million, one hundred thirty thousand, two hundred fifty-seven".