72870092 has 24 divisors (see below), whose sum is σ = 142133040. Its totient is φ = 32486400.

The previous prime is 72870047. The next prime is 72870101. The reversal of 72870092 is 29007827.

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, 26909 + ... + 29492.

It is an arithmetic number, because the mean of its divisors is an integer number (5922210).

Almost surely, 2^72870092 is an apocalyptic number.

It is an amenable number.

72870092 is a deficient number, since it is larger than the sum of its proper divisors (69262948).

72870092 is a wasteful number, since it uses less digits than its factorization.

72870092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56441 (or 56439 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 72870092 is about 8536.3980694436. The cubic root of 72870092 is about 417.6858593760.

The spelling of 72870092 in words is "seventy-two million, eight hundred seventy thousand, ninety-two".