72219248 has 20 divisors (see below), whose sum is σ = 140431488. Its totient is φ = 35978880.

The previous prime is 72219239. The next prime is 72219271. The reversal of 72219248 is 84291227.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3536 + ... + 12527.

Almost surely, 2^72219248 is an apocalyptic number.

It is an amenable number.

72219248 is a deficient number, since it is larger than the sum of its proper divisors (68212240).

72219248 is a wasteful number, since it uses less digits than its factorization.

72219248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16352 (or 16346 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 72219248 is about 8498.1908662962. The cubic root of 72219248 is about 416.4386091360.

The spelling of 72219248 in words is "seventy-two million, two hundred nineteen thousand, two hundred forty-eight".