71522762022672 has 40 divisors (see below), whose sum is σ = 184767697455744. Its totient is φ = 23840848128384.

The previous prime is 71522762022631. The next prime is 71522762022707. The reversal of 71522762022672 is 27622026722517.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15032553 + ... + 19209975.

Almost surely, 2^{71522762022672} is an apocalyptic number.

It is an amenable number.

71522762022672 is an abundant number, since it is smaller than the sum of its proper divisors (113244935433072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71522762022672 is a wasteful number, since it uses less digits than its factorization.

71522762022672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4534127 (or 4534121 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 51.

The spelling of 71522762022672 in words is "seventy-one trillion, five hundred twenty-two billion, seven hundred sixty-two million, twenty-two thousand, six hundred seventy-two".