72626740044 has 24 divisors (see below), whose sum is σ = 169468880448. Its totient is φ = 24207986640.

The previous prime is 72626740031. The next prime is 72626740049. The reversal of 72626740044 is 44004762627.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 72626739978 and 72626740005.

It is not an unprimeable number, because it can be changed into a prime (72626740049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259299 + ... + 460965.

It is an arithmetic number, because the mean of its divisors is an integer number (7061203352).

Almost surely, 2^72626740044 is an apocalyptic number.

It is an amenable number.

72626740044 is an abundant number, since it is smaller than the sum of its proper divisors (96842140404).

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

72626740044 is a wasteful number, since it uses less digits than its factorization.

72626740044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231685 (or 231683 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 42.

The spelling of 72626740044 in words is "seventy-two billion, six hundred twenty-six million, seven hundred forty thousand, forty-four".