72896740 has 24 divisors (see below), whose sum is σ = 174952512. Its totient is φ = 24993120.

The previous prime is 72896713. The next prime is 72896753. The reversal of 72896740 is 4769827.

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, 260206 + ... + 260485.

It is an arithmetic number, because the mean of its divisors is an integer number (7289688).

Almost surely, 2^72896740 is an apocalyptic number.

72896740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

72896740 is an abundant number, since it is smaller than the sum of its proper divisors (102055772).

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

72896740 is a wasteful number, since it uses less digits than its factorization.

72896740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520707 (or 520705 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 72896740 is about 8537.9587724467. The cubic root of 72896740 is about 417.7367679448.

The spelling of 72896740 in words is "seventy-two million, eight hundred ninety-six thousand, seven hundred forty".