72646377052206 has 16 divisors (see below), whose sum is σ = 147339130923648. Its totient is φ = 23874396214200.

The previous prime is 72646377052199. The next prime is 72646377052229. The reversal of 72646377052206 is 60225077364627.

It is a super-2 number, since 2×72646377052206² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85265700340 + ... + 85265701191.

It is an arithmetic number, because the mean of its divisors is an integer number (9208695682728).

Almost surely, 2^{72646377052206} is an apocalyptic number.

72646377052206 is an abundant number, since it is smaller than the sum of its proper divisors (74692753871442).

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

72646377052206 is a wasteful number, since it uses less digits than its factorization.

72646377052206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170531401607.

The product of its (nonzero) digits is 35562240, while the sum is 57.

The spelling of 72646377052206 in words is "seventy-two trillion, six hundred forty-six billion, three hundred seventy-seven million, fifty-two thousand, two hundred six".