72490608 has 30 divisors (see below), whose sum is σ = 202873424. Its totient is φ = 24163488.

The previous prime is 72490597. The next prime is 72490619. The reversal of 72490608 is 80609427.

72490608 is a `hidden beast` number, since 7 + 2 + 49 + 0 + 608 = 666.

It is an interprime number because it is at equal distance from previous prime (72490597) and next prime (72490619).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 251560 + ... + 251847.

Almost surely, 2^72490608 is an apocalyptic number.

It is an amenable number.

72490608 is an abundant number, since it is smaller than the sum of its proper divisors (130382816).

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

72490608 is a wasteful number, since it uses less digits than its factorization.

72490608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503421 (or 503412 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 72490608 is about 8514.1416478703. The cubic root of 72490608 is about 416.9595392311.

The spelling of 72490608 in words is "seventy-two million, four hundred ninety thousand, six hundred eight".