72906794782 has 8 divisors (see below), whose sum is σ = 109364858352. Its totient is φ = 36451842000.

The previous prime is 72906794771. The next prime is 72906794809. The reversal of 72906794782 is 28749760927.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72906794782.

It is a congruent 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, 718194 + ... + 813397.

It is an arithmetic number, because the mean of its divisors is an integer number (13670607294).

Almost surely, 2^72906794782 is an apocalyptic number.

72906794782 is a deficient number, since it is larger than the sum of its proper divisors (36458063570).

72906794782 is a wasteful number, since it uses less digits than its factorization.

72906794782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555394.

The product of its (nonzero) digits is 21337344, while the sum is 61.

The spelling of 72906794782 in words is "seventy-two billion, nine hundred six million, seven hundred ninety-four thousand, seven hundred eighty-two".