72708000445 has 16 divisors (see below), whose sum is σ = 88958062080. Its totient is φ = 57028963264.

The previous prime is 72708000437. The next prime is 72708000527. The reversal of 72708000445 is 54400080727.

72708000445 is a nontrivial binomial coefficient, being equal to C(381335, 2).

It is a cyclic number.

It is not a de Polignac number, because 72708000445 - 2³ = 72708000437 is a prime.

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, 286002 + ... + 476668.

It is an arithmetic number, because the mean of its divisors is an integer number (5559878880).

Almost surely, 2^72708000445 is an apocalyptic number.

72708000445 is the 381334-th triangular number.

72708000445 is the 127112-nd centered nonagonal number.

It is an amenable number.

72708000445 is a deficient number, since it is larger than the sum of its proper divisors (16250061635).

72708000445 is a wasteful number, since it uses less digits than its factorization.

72708000445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192164.

The product of its (nonzero) digits is 62720, while the sum is 37.

The spelling of 72708000445 in words is "seventy-two billion, seven hundred eight million, four hundred forty-five", and thus it is an aban number.