71752603456 has 14 divisors (see below), whose sum is σ = 142384072610. Its totient is φ = 35876301696.

The previous prime is 71752603397. The next prime is 71752603457. The reversal of 71752603456 is 65430625717.

It can be written as a sum of positive squares in only one way, i.e., 71588353600 + 164249856 = 267560^2 + 12816^2 .

It is a super-2 number, since 2×71752603456² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71752603457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560567151 + ... + 560567278.

Almost surely, 2^71752603456 is an apocalyptic number.

It is an amenable number.

71752603456 is a deficient number, since it is larger than the sum of its proper divisors (70631469154).

71752603456 is a wasteful number, since it uses less digits than its factorization.

71752603456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121134441 (or 1121134431 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 71752603456 in words is "seventy-one billion, seven hundred fifty-two million, six hundred three thousand, four hundred fifty-six".