72000721206104 has 32 divisors (see below), whose sum is σ = 135307937438640. Its totient is φ = 35918653056000.

The previous prime is 72000721206103. The next prime is 72000721206157. The reversal of 72000721206104 is 40160212700027.

It is a super-2 number, since 2×72000721206104² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72000721206101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8853392 + ... + 14912544.

Almost surely, 2^{72000721206104} is an apocalyptic number.

It is an amenable number.

72000721206104 is a deficient number, since it is larger than the sum of its proper divisors (63307216232536).

72000721206104 is a wasteful number, since it uses less digits than its factorization.

72000721206104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6062531 (or 6062527 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The spelling of 72000721206104 in words is "seventy-two trillion, seven hundred twenty-one million, two hundred six thousand, one hundred four".