72728614 has 16 divisors (see below), whose sum is σ = 127031328. Its totient is φ = 30580992.

The previous prime is 72728603. The next prime is 72728633. The reversal of 72728614 is 41682727.

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, 48267 + ... + 49750.

It is an arithmetic number, because the mean of its divisors is an integer number (7939458).

Almost surely, 2^72728614 is an apocalyptic number.

72728614 is a deficient number, since it is larger than the sum of its proper divisors (54302714).

72728614 is a wasteful number, since it uses less digits than its factorization.

72728614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98079.

The product of its digits is 37632, while the sum is 37.

The square root of 72728614 is about 8528.1072929461. The cubic root of 72728614 is about 417.4153705141.

The spelling of 72728614 in words is "seventy-two million, seven hundred twenty-eight thousand, six hundred fourteen".