72961546208 has 24 divisors (see below), whose sum is σ = 144739564200. Its totient is φ = 36202291840.

The previous prime is 72961546171. The next prime is 72961546211. The reversal of 72961546208 is 80264516927.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8698283 + ... + 8706666.

It is an arithmetic number, because the mean of its divisors is an integer number (6030815175).

Almost surely, 2^72961546208 is an apocalyptic number.

It is an amenable number.

72961546208 is a deficient number, since it is larger than the sum of its proper divisors (71778017992).

72961546208 is a wasteful number, since it uses less digits than its factorization.

72961546208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17405090 (or 17405082 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 72961546208 in words is "seventy-two billion, nine hundred sixty-one million, five hundred forty-six thousand, two hundred eight".