72992395 has 48 divisors (see below), whose sum is σ = 108630720. Its totient is φ = 46096128.

The previous prime is 72992377. The next prime is 72992399. The reversal of 72992395 is 59329927.

It is not a de Polignac number, because 72992395 - 2⁷ = 72992267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72992399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 669601 + ... + 669709.

It is an arithmetic number, because the mean of its divisors is an integer number (2263140).

Almost surely, 2^72992395 is an apocalyptic number.

72992395 is a deficient number, since it is larger than the sum of its proper divisors (35638325).

72992395 is a wasteful number, since it uses less digits than its factorization.

72992395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 193 counting only the distinct ones).

The product of its digits is 306180, while the sum is 46.

The square root of 72992395 is about 8543.5586847636. The cubic root of 72992395 is about 417.9194059494.

The spelling of 72992395 in words is "seventy-two million, nine hundred ninety-two thousand, three hundred ninety-five".