72782826 has 8 divisors (see below), whose sum is σ = 145565664. Its totient is φ = 24260940.

The previous prime is 72782819. The next prime is 72782861. The reversal of 72782826 is 62828727.

It is a sphenic number, since it is the product of 3 distinct primes.

72782826 is an admirable number.

It is a Curzon 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, 6065230 + ... + 6065241.

It is an arithmetic number, because the mean of its divisors is an integer number (18195708).

Almost surely, 2^72782826 is an apocalyptic number.

72782826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72782826 is a wasteful number, since it uses less digits than its factorization.

72782826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12130476.

The product of its digits is 150528, while the sum is 42.

The square root of 72782826 is about 8531.2851317958. The cubic root of 72782826 is about 417.5190587353.

The spelling of 72782826 in words is "seventy-two million, seven hundred eighty-two thousand, eight hundred twenty-six".