72102484 has 24 divisors (see below), whose sum is σ = 129064320. Its totient is φ = 35234304.

The previous prime is 72102479. The next prime is 72102509. The reversal of 72102484 is 48420127.

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, 44757 + ... + 46339.

It is an arithmetic number, because the mean of its divisors is an integer number (5377680).

Almost surely, 2^72102484 is an apocalyptic number.

It is an amenable number.

72102484 is a deficient number, since it is larger than the sum of its proper divisors (56961836).

72102484 is a wasteful number, since it uses less digits than its factorization.

72102484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839 (or 1837 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 72102484 is about 8491.3181544446. The cubic root of 72102484 is about 416.2140555795.

The spelling of 72102484 in words is "seventy-two million, one hundred two thousand, four hundred eighty-four".