72840714 has 16 divisors (see below), whose sum is σ = 147677952. Its totient is φ = 23947488.

The previous prime is 72840707. The next prime is 72840769. The reversal of 72840714 is 41704827.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 82714 + ... + 83589.

It is an arithmetic number, because the mean of its divisors is an integer number (9229872).

Almost surely, 2^72840714 is an apocalyptic number.

72840714 is an abundant number, since it is smaller than the sum of its proper divisors (74837238).

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

72840714 is a wasteful number, since it uses less digits than its factorization.

72840714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166381.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 72840714 is about 8534.6771467935. The cubic root of 72840714 is about 417.6297210060.

The spelling of 72840714 in words is "seventy-two million, eight hundred forty thousand, seven hundred fourteen".