72498146 has 12 divisors (see below), whose sum is σ = 126502038. Its totient is φ = 31070592.

The previous prime is 72498137. The next prime is 72498161. The reversal of 72498146 is 64189427.

It can be written as a sum of positive squares in only one way, i.e., 69973225 + 2524921 = 8365^2 + 1589^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 369791 + ... + 369986.

Almost surely, 2^72498146 is an apocalyptic number.

72498146 is a deficient number, since it is larger than the sum of its proper divisors (54003892).

72498146 is a wasteful number, since it uses less digits than its factorization.

72498146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739793 (or 739786 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 72498146 is about 8514.5843116385. The cubic root of 72498146 is about 416.9739913657.

The spelling of 72498146 in words is "seventy-two million, four hundred ninety-eight thousand, one hundred forty-six".