72474292 has 24 divisors (see below), whose sum is σ = 138593952. Its totient is φ = 32887200.

The previous prime is 72474263. The next prime is 72474293. The reversal of 72474292 is 29247427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72474293) 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, 36567 + ... + 38497.

It is an arithmetic number, because the mean of its divisors is an integer number (5774748).

Almost surely, 2^72474292 is an apocalyptic number.

It is an amenable number.

72474292 is a deficient number, since it is larger than the sum of its proper divisors (66119660).

72474292 is a wasteful number, since it uses less digits than its factorization.

72474292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799 (or 2797 counting only the distinct ones).

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

The square root of 72474292 is about 8513.1834233734. The cubic root of 72474292 is about 416.9282541562.

The spelling of 72474292 in words is "seventy-two million, four hundred seventy-four thousand, two hundred ninety-two".