72849726 has 32 divisors (see below), whose sum is σ = 171413280. Its totient is φ = 22854528.

The previous prime is 72849713. The next prime is 72849731. The reversal of 72849726 is 62794827.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38761 + ... + 40596.

It is an arithmetic number, because the mean of its divisors is an integer number (5356665).

Almost surely, 2^72849726 is an apocalyptic number.

72849726 is an abundant number, since it is smaller than the sum of its proper divisors (98563554).

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

72849726 is a wasteful number, since it uses less digits than its factorization.

72849726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79385 (or 79379 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 72849726 is about 8535.2050941966. The cubic root of 72849726 is about 417.6469436262.

The spelling of 72849726 in words is "seventy-two million, eight hundred forty-nine thousand, seven hundred twenty-six".