72494132 has 12 divisors (see below), whose sum is σ = 127094016. Its totient is φ = 36181560.

The previous prime is 72494131. The next prime is 72494161. The reversal of 72494132 is 23149427.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72494131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13844 + ... + 18347.

It is an arithmetic number, because the mean of its divisors is an integer number (10591168).

Almost surely, 2^72494132 is an apocalyptic number.

It is an amenable number.

72494132 is a deficient number, since it is larger than the sum of its proper divisors (54599884).

72494132 is a wasteful number, since it uses less digits than its factorization.

72494132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32758 (or 32756 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 72494132 is about 8514.3485951657. The cubic root of 72494132 is about 416.9662957000.

The spelling of 72494132 in words is "seventy-two million, four hundred ninety-four thousand, one hundred thirty-two".