72629171900 has 36 divisors (see below), whose sum is σ = 157637988648. Its totient is φ = 29045643840.

The previous prime is 72629171833. The next prime is 72629171959. The reversal of 72629171900 is 917192627.

It is a super-2 number, since 2×72629171900² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 425882 + ... + 571518.

It is an arithmetic number, because the mean of its divisors is an integer number (4378833018).

Almost surely, 2^72629171900 is an apocalyptic number.

It is an amenable number.

72629171900 is an abundant number, since it is smaller than the sum of its proper divisors (85008816748).

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

72629171900 is a wasteful number, since it uses less digits than its factorization.

72629171900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150638 (or 150631 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 44.

The spelling of 72629171900 in words is "seventy-two billion, six hundred twenty-nine million, one hundred seventy-one thousand, nine hundred".