72149426104 has 32 divisors (see below), whose sum is σ = 162743068800. Its totient is φ = 29293751520.

The previous prime is 72149426099. The next prime is 72149426137. The reversal of 72149426104 is 40162494127.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33903742 + ... + 33905869.

It is an arithmetic number, because the mean of its divisors is an integer number (5085720900).

Almost surely, 2^72149426104 is an apocalyptic number.

It is an amenable number.

72149426104 is an abundant number, since it is smaller than the sum of its proper divisors (90593642696).

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

72149426104 is a wasteful number, since it uses less digits than its factorization.

72149426104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67809643 (or 67809639 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

It can be divided in two parts, 72 and 149426104, that added together give a square (149426176 = 12224²).

The spelling of 72149426104 in words is "seventy-two billion, one hundred forty-nine million, four hundred twenty-six thousand, one hundred four".