72899277624 has 24 divisors (see below), whose sum is σ = 197435543760. Its totient is φ = 24299759184.

The previous prime is 72899277611. The next prime is 72899277637. The reversal of 72899277624 is 42677299827.

It is an interprime number because it is at equal distance from previous prime (72899277611) and next prime (72899277637).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506244912 + ... + 506245055.

It is an arithmetic number, because the mean of its divisors is an integer number (8226480990).

Almost surely, 2^72899277624 is an apocalyptic number.

It is an amenable number.

72899277624 is an abundant number, since it is smaller than the sum of its proper divisors (124536266136).

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

72899277624 is a wasteful number, since it uses less digits than its factorization.

72899277624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012489979 (or 1012489972 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 63.

The spelling of 72899277624 in words is "seventy-two billion, eight hundred ninety-nine million, two hundred seventy-seven thousand, six hundred twenty-four".