72745624382 has 24 divisors (see below), whose sum is σ = 114795805656. Its totient is φ = 34569705456.

The previous prime is 72745624337. The next prime is 72745624433. The reversal of 72745624382 is 28342654727.

It is a self number, because there is not a number n which added to its sum of digits gives 72745624382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52868 + ... + 385079.

It is an arithmetic number, because the mean of its divisors is an integer number (4783158569).

Almost surely, 2^72745624382 is an apocalyptic number.

72745624382 is a deficient number, since it is larger than the sum of its proper divisors (42050181274).

72745624382 is a wasteful number, since it uses less digits than its factorization.

72745624382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438152 (or 438129 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 50.

The spelling of 72745624382 in words is "seventy-two billion, seven hundred forty-five million, six hundred twenty-four thousand, three hundred eighty-two".