72354236 has 12 divisors (see below), whose sum is σ = 126762720. Its totient is φ = 36136320.

The previous prime is 72354199. The next prime is 72354263. The reversal of 72354236 is 63245327.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6020 + ... + 13451.

It is an arithmetic number, because the mean of its divisors is an integer number (10563560).

Almost surely, 2^72354236 is an apocalyptic number.

It is an amenable number.

72354236 is a deficient number, since it is larger than the sum of its proper divisors (54408484).

72354236 is a wasteful number, since it uses less digits than its factorization.

72354236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20404 (or 20402 counting only the distinct ones).

The product of its digits is 30240, while the sum is 32.

The square root of 72354236 is about 8506.1293194966. The cubic root of 72354236 is about 416.6979085552.

The spelling of 72354236 in words is "seventy-two million, three hundred fifty-four thousand, two hundred thirty-six".