72672043620 has 48 divisors (see below), whose sum is σ = 221980062528. Its totient is φ = 17617464960.

The previous prime is 72672043583. The next prime is 72672043727. The reversal of 72672043620 is 2634027627.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 55053919 + ... + 55055238.

It is an arithmetic number, because the mean of its divisors is an integer number (4624584636).

Almost surely, 2^72672043620 is an apocalyptic number.

It is an amenable number.

72672043620 is an abundant number, since it is smaller than the sum of its proper divisors (149308018908).

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

72672043620 is a wasteful number, since it uses less digits than its factorization.

72672043620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110109180 (or 110109178 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 39.

The spelling of 72672043620 in words is "seventy-two billion, six hundred seventy-two million, forty-three thousand, six hundred twenty".