72673057650 has 48 divisors (see below), whose sum is σ = 180264962304. Its totient is φ = 19375634880.

The previous prime is 72673057627. The next prime is 72673057663. The reversal of 72673057650 is 5675037627.

It is a self number, because there is not a number n which added to its sum of digits gives 72673057650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 754527 + ... + 845373.

It is an arithmetic number, because the mean of its divisors is an integer number (3755520048).

Almost surely, 2^72673057650 is an apocalyptic number.

72673057650 is an abundant number, since it is smaller than the sum of its proper divisors (107591904654).

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

72673057650 is a wasteful number, since it uses less digits than its factorization.

72673057650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96195 (or 96190 counting only the distinct ones).

The product of its (nonzero) digits is 1852200, while the sum is 48.

The spelling of 72673057650 in words is "seventy-two billion, six hundred seventy-three million, fifty-seven thousand, six hundred fifty".