72674772139 has 2 divisors, whose sum is σ = 72674772140. Its totient is φ = 72674772138.

The previous prime is 72674772119. The next prime is 72674772167. The reversal of 72674772139 is 93127747627.

It is a weak prime.

It is an emirp because it is prime and its reverse (93127747627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72674772139 - 2²⁵ = 72641217707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72674772139.

It is not a weakly prime, because it can be changed into another prime (72674772119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36337386069 + 36337386070.

It is an arithmetic number, because the mean of its divisors is an integer number (36337386070).

Almost surely, 2^72674772139 is an apocalyptic number.

72674772139 is a deficient number, since it is larger than the sum of its proper divisors (1).

72674772139 is an equidigital number, since it uses as much as digits as its factorization.

72674772139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6223392, while the sum is 55.

The spelling of 72674772139 in words is "seventy-two billion, six hundred seventy-four million, seven hundred seventy-two thousand, one hundred thirty-nine".