72093756 has 24 divisors (see below), whose sum is σ = 192250240. Its totient is φ = 20598192.

The previous prime is 72093737. The next prime is 72093767. The reversal of 72093756 is 65739027.

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, 429046 + ... + 429213.

Almost surely, 2^72093756 is an apocalyptic number.

It is an amenable number.

72093756 is an abundant number, since it is smaller than the sum of its proper divisors (120156484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72093756 is a wasteful number, since it uses less digits than its factorization.

72093756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858273 (or 858271 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 72093756 is about 8490.8042021943. The cubic root of 72093756 is about 416.1972606756.

The spelling of 72093756 in words is "seventy-two million, ninety-three thousand, seven hundred fifty-six".