72794274 has 16 divisors (see below), whose sum is σ = 166387008. Its totient is φ = 20798352.

The previous prime is 72794273. The next prime is 72794279. The reversal of 72794274 is 47249727.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1733197 = 72794274 / (7 + 2 + 7 + 9 + 4 + 2 + 7 + 4).

It is not an unprimeable number, because it can be changed into a prime (72794273) 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, 866557 + ... + 866640.

It is an arithmetic number, because the mean of its divisors is an integer number (10399188).

Almost surely, 2^72794274 is an apocalyptic number.

72794274 is an abundant number, since it is smaller than the sum of its proper divisors (93592734).

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

72794274 is a wasteful number, since it uses less digits than its factorization.

72794274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733209.

The product of its digits is 197568, while the sum is 42.

The square root of 72794274 is about 8531.9560477068. The cubic root of 72794274 is about 417.5409480915.

The spelling of 72794274 in words is "seventy-two million, seven hundred ninety-four thousand, two hundred seventy-four".