72494704 has 20 divisors (see below), whose sum is σ = 140792080. Its totient is φ = 36161280.

The previous prime is 72494699. The next prime is 72494707. The reversal of 72494704 is 40749427.

It is a super-4 number, since 4×72494704⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72494707) 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 3 ways as a sum of consecutive naturals, for example, 1864 + ... + 12184.

It is an arithmetic number, because the mean of its divisors is an integer number (7039604).

Almost surely, 2^72494704 is an apocalyptic number.

It is an amenable number.

72494704 is a deficient number, since it is larger than the sum of its proper divisors (68297376).

72494704 is a wasteful number, since it uses less digits than its factorization.

72494704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10768 (or 10762 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 72494704 is about 8514.3821854554. The cubic root of 72494704 is about 416.9673923593.

The spelling of 72494704 in words is "seventy-two million, four hundred ninety-four thousand, seven hundred four".