72187070676 has 48 divisors (see below), whose sum is σ = 196427414400. Its totient is φ = 20624876160.

The previous prime is 72187070639. The next prime is 72187070677. The reversal of 72187070676 is 67607078127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72187070677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8764965 + ... + 8773196.

It is an arithmetic number, because the mean of its divisors is an integer number (4092237800).

Almost surely, 2^72187070676 is an apocalyptic number.

It is an amenable number.

72187070676 is an abundant number, since it is smaller than the sum of its proper divisors (124240343724).

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

72187070676 is a wasteful number, since it uses less digits than its factorization.

72187070676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17538189 (or 17538173 counting only the distinct ones).

The product of its (nonzero) digits is 1382976, while the sum is 51.

The spelling of 72187070676 in words is "seventy-two billion, one hundred eighty-seven million, seventy thousand, six hundred seventy-six".