72253496 has 32 divisors (see below), whose sum is σ = 155187840. Its totient is φ = 30894048.

The previous prime is 72253477. The next prime is 72253513. The reversal of 72253496 is 69435227.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28055 + ... + 30521.

It is an arithmetic number, because the mean of its divisors is an integer number (4849620).

Almost surely, 2^72253496 is an apocalyptic number.

It is an amenable number.

72253496 is an abundant number, since it is smaller than the sum of its proper divisors (82934344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72253496 is a wasteful number, since it uses less digits than its factorization.

72253496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003 (or 2999 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 72253496 is about 8500.2056445712. The cubic root of 72253496 is about 416.5044269338.

The spelling of 72253496 in words is "seventy-two million, two hundred fifty-three thousand, four hundred ninety-six".