72863692 has 24 divisors (see below), whose sum is σ = 139551552. Its totient is φ = 33013200.

The previous prime is 72863669. The next prime is 72863729. The reversal of 72863692 is 29636827.

It is a super-2 number, since 2×72863692² = 10618235223741728, which contains 22 as substring.

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, 12063 + ... + 17065.

It is an arithmetic number, because the mean of its divisors is an integer number (5814648).

Almost surely, 2^72863692 is an apocalyptic number.

It is an amenable number.

72863692 is a deficient number, since it is larger than the sum of its proper divisors (66687860).

72863692 is a wasteful number, since it uses less digits than its factorization.

72863692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5349 (or 5347 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 72863692 is about 8536.0231958448. The cubic root of 72863692 is about 417.6736309126.

The spelling of 72863692 in words is "seventy-two million, eight hundred sixty-three thousand, six hundred ninety-two".