72719512 has 16 divisors (see below), whose sum is σ = 137139840. Its totient is φ = 36148896.

The previous prime is 72719509. The next prime is 72719513. The reversal of 72719512 is 21591727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72719513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24888 + ... + 27655.

It is an arithmetic number, because the mean of its divisors is an integer number (8571240).

Almost surely, 2^72719512 is an apocalyptic number.

It is an amenable number.

72719512 is a deficient number, since it is larger than the sum of its proper divisors (64420328).

72719512 is a wasteful number, since it uses less digits than its factorization.

72719512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52722 (or 52718 counting only the distinct ones).

The product of its digits is 8820, while the sum is 34.

The square root of 72719512 is about 8527.5736291163. The cubic root of 72719512 is about 417.3979565830.

The spelling of 72719512 in words is "seventy-two million, seven hundred nineteen thousand, five hundred twelve".