72999902 has 16 divisors (see below), whose sum is σ = 114114960. Its totient is φ = 34980288.

The previous prime is 72999877. The next prime is 72999923. The reversal of 72999902 is 20999927.

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, 3353 + ... + 12539.

It is an arithmetic number, because the mean of its divisors is an integer number (7132185).

Almost surely, 2^72999902 is an apocalyptic number.

72999902 is a deficient number, since it is larger than the sum of its proper divisors (41115058).

72999902 is a wasteful number, since it uses less digits than its factorization.

72999902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9355.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 72999902 is about 8543.9980102994. The cubic root of 72999902 is about 417.9337326174.

The spelling of 72999902 in words is "seventy-two million, nine hundred ninety-nine thousand, nine hundred two".