72516529622 has 12 divisors (see below), whose sum is σ = 111794113620. Its totient is φ = 35278310376.

The previous prime is 72516529619. The next prime is 72516529643. The reversal of 72516529622 is 22692561527.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13239872 + ... + 13245347.

It is an arithmetic number, because the mean of its divisors is an integer number (9316176135).

Almost surely, 2^72516529622 is an apocalyptic number.

72516529622 is a deficient number, since it is larger than the sum of its proper divisors (39277583998).

72516529622 is a wasteful number, since it uses less digits than its factorization.

72516529622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26485295 (or 26485258 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The spelling of 72516529622 in words is "seventy-two billion, five hundred sixteen million, five hundred twenty-nine thousand, six hundred twenty-two".