72829782 has 12 divisors (see below), whose sum is σ = 157797900. Its totient is φ = 24276588.

The previous prime is 72829769. The next prime is 72829811. The reversal of 72829782 is 28792827.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2023032 + ... + 2023067.

It is an arithmetic number, because the mean of its divisors is an integer number (13149825).

Almost surely, 2^72829782 is an apocalyptic number.

72829782 is an abundant number, since it is smaller than the sum of its proper divisors (84968118).

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

72829782 is a wasteful number, since it uses less digits than its factorization.

72829782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046107 (or 4046104 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 72829782 is about 8534.0366767433. The cubic root of 72829782 is about 417.6088272124.

The spelling of 72829782 in words is "seventy-two million, eight hundred twenty-nine thousand, seven hundred eighty-two".