72083385 has 32 divisors (see below), whose sum is σ = 139800960. Its totient is φ = 34948800.

The previous prime is 72083353. The next prime is 72083393. The reversal of 72083385 is 58338027.

It is not a de Polignac number, because 72083385 - 2⁵ = 72083353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22786 + ... + 25755.

It is an arithmetic number, because the mean of its divisors is an integer number (4368780).

Almost surely, 2^72083385 is an apocalyptic number.

It is an amenable number.

72083385 is a deficient number, since it is larger than the sum of its proper divisors (67717575).

72083385 is a wasteful number, since it uses less digits than its factorization.

72083385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48566 (or 48560 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 72083385 is about 8490.1934606933. The cubic root of 72083385 is about 416.1773024572.

The spelling of 72083385 in words is "seventy-two million, eighty-three thousand, three hundred eighty-five".