72480892 has 24 divisors (see below), whose sum is σ = 140987952. Its totient is φ = 32323200.

The previous prime is 72480887. The next prime is 72480893. The reversal of 72480892 is 29808427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72480893) 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, 13209 + ... + 17872.

It is an arithmetic number, because the mean of its divisors is an integer number (5874498).

Almost surely, 2^72480892 is an apocalyptic number.

It is an amenable number.

72480892 is a deficient number, since it is larger than the sum of its proper divisors (68507060).

72480892 is a wasteful number, since it uses less digits than its factorization.

72480892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31149 (or 31147 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 72480892 is about 8513.5710486258. The cubic root of 72480892 is about 416.9409098758.

The spelling of 72480892 in words is "seventy-two million, four hundred eighty thousand, eight hundred ninety-two".