72498417 has 8 divisors (see below), whose sum is σ = 97989024. Its totient is φ = 47670048.

The previous prime is 72498389. The next prime is 72498431. The reversal of 72498417 is 71489427.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72498417 - 2⁸ = 72498161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72498457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165303 + ... + 165740.

It is an arithmetic number, because the mean of its divisors is an integer number (12248628).

Almost surely, 2^72498417 is an apocalyptic number.

It is an amenable number.

72498417 is a deficient number, since it is larger than the sum of its proper divisors (25490607).

72498417 is a wasteful number, since it uses less digits than its factorization.

72498417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331119.

The product of its digits is 112896, while the sum is 42.

The square root of 72498417 is about 8514.6002254950. The cubic root of 72498417 is about 416.9745109184.

The spelling of 72498417 in words is "seventy-two million, four hundred ninety-eight thousand, four hundred seventeen".