72650552432 has 40 divisors (see below), whose sum is σ = 142112154240. Its totient is φ = 35978072000.

The previous prime is 72650552393. The next prime is 72650552441. The reversal of 72650552432 is 23425505627.

It is a super-2 number, since 2×72650552432² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72650552432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668333 + ... + 769395.

It is an arithmetic number, because the mean of its divisors is an integer number (3552803856).

Almost surely, 2^72650552432 is an apocalyptic number.

It is an amenable number.

72650552432 is a deficient number, since it is larger than the sum of its proper divisors (69461601808).

72650552432 is a wasteful number, since it uses less digits than its factorization.

72650552432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101501 (or 101495 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 41.

The spelling of 72650552432 in words is "seventy-two billion, six hundred fifty million, five hundred fifty-two thousand, four hundred thirty-two".