72267248 has 20 divisors (see below), whose sum is σ = 140727600. Its totient is φ = 35950464.

The previous prime is 72267233. The next prime is 72267259. The reversal of 72267248 is 84276227.

It is a happy number.

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, 8165 + ... + 14532.

It is an arithmetic number, because the mean of its divisors is an integer number (7036380).

Almost surely, 2^72267248 is an apocalyptic number.

It is an amenable number.

72267248 is a deficient number, since it is larger than the sum of its proper divisors (68460352).

72267248 is a wasteful number, since it uses less digits than its factorization.

72267248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22904 (or 22898 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 72267248 is about 8501.0145276902. The cubic root of 72267248 is about 416.5308496716.

The spelling of 72267248 in words is "seventy-two million, two hundred sixty-seven thousand, two hundred forty-eight".