72761382 has 16 divisors (see below), whose sum is σ = 161692080. Its totient is φ = 24253776.

The previous prime is 72761341. The next prime is 72761383. The reversal of 72761382 is 28316727.

72761382 is a `hidden beast` number, since 7 + 276 + 1 + 382 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72761383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673663 + ... + 673770.

It is an arithmetic number, because the mean of its divisors is an integer number (10105755).

Almost surely, 2^72761382 is an apocalyptic number.

72761382 is an abundant number, since it is smaller than the sum of its proper divisors (88930698).

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

72761382 is a wasteful number, since it uses less digits than its factorization.

72761382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347444 (or 1347438 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 72761382 is about 8530.0282531771. The cubic root of 72761382 is about 417.4780501685.

The spelling of 72761382 in words is "seventy-two million, seven hundred sixty-one thousand, three hundred eighty-two".