72498646 has 16 divisors (see below), whose sum is σ = 122462208. Its totient is φ = 31890600.

The previous prime is 72498641. The next prime is 72498667. The reversal of 72498646 is 64689427.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 72498596 and 72498605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72498641) 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, 52470 + ... + 53833.

It is an arithmetic number, because the mean of its divisors is an integer number (7653888).

Almost surely, 2^72498646 is an apocalyptic number.

72498646 is a deficient number, since it is larger than the sum of its proper divisors (49963562).

72498646 is a wasteful number, since it uses less digits than its factorization.

72498646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106347.

The product of its digits is 580608, while the sum is 46.

The square root of 72498646 is about 8514.6136729742. The cubic root of 72498646 is about 416.9749499489.

The spelling of 72498646 in words is "seventy-two million, four hundred ninety-eight thousand, six hundred forty-six".