72944794 has 20 divisors (see below), whose sum is σ = 118627794. Its totient is φ = 33640464.

The previous prime is 72944791. The next prime is 72944803. The reversal of 72944794 is 49744927.

It can be written as a sum of positive squares in 5 ways, for example, as 6734025 + 66210769 = 2595^2 + 8137^2 .

It is not an unprimeable number, because it can be changed into a prime (72944791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 56484 + ... + 57760.

Almost surely, 2^72944794 is an apocalyptic number.

72944794 is a deficient number, since it is larger than the sum of its proper divisors (45683000).

72944794 is an equidigital number, since it uses as much as digits as its factorization.

72944794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331 (or 1292 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 72944794 is about 8540.7724475015. The cubic root of 72944794 is about 417.8285393707.

The spelling of 72944794 in words is "seventy-two million, nine hundred forty-four thousand, seven hundred ninety-four".