72680470964 has 12 divisors (see below), whose sum is σ = 127402460388. Its totient is φ = 36279768000.

The previous prime is 72680470963. The next prime is 72680470969. The reversal of 72680470964 is 46907408627.

It can be written as a sum of positive squares in 2 ways, for example, as 24254947600 + 48425523364 = 155740^2 + 220058^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72680470963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15114167 + ... + 15118974.

It is an arithmetic number, because the mean of its divisors is an integer number (10616871699).

Almost surely, 2^72680470964 is an apocalyptic number.

It is an amenable number.

72680470964 is a deficient number, since it is larger than the sum of its proper divisors (54721989424).

72680470964 is a wasteful number, since it uses less digits than its factorization.

72680470964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30233746 (or 30233744 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 72680470964 in words is "seventy-two billion, six hundred eighty million, four hundred seventy thousand, nine hundred sixty-four".