72863396 has 12 divisors (see below), whose sum is σ = 130621260. Its totient is φ = 35543040.

The previous prime is 72863387. The next prime is 72863443. The reversal of 72863396 is 69336827.

It can be written as a sum of positive squares in 2 ways, for example, as 3474496 + 69388900 = 1864^2 + 8330^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221981 + ... + 222308.

It is an arithmetic number, because the mean of its divisors is an integer number (10885105).

Almost surely, 2^72863396 is an apocalyptic number.

It is an amenable number.

72863396 is a deficient number, since it is larger than the sum of its proper divisors (57757864).

72863396 is a wasteful number, since it uses less digits than its factorization.

72863396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444334 (or 444332 counting only the distinct ones).

The product of its digits is 326592, while the sum is 44.

The square root of 72863396 is about 8536.0058575425. The cubic root of 72863396 is about 417.6730653288.

The spelling of 72863396 in words is "seventy-two million, eight hundred sixty-three thousand, three hundred ninety-six".