72119147 has 2 divisors, whose sum is σ = 72119148. Its totient is φ = 72119146.

The previous prime is 72119119. The next prime is 72119161. The reversal of 72119147 is 74191127.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72119147 - 2²⁴ = 55341931 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72119107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36059573 + 36059574.

It is an arithmetic number, because the mean of its divisors is an integer number (36059574).

Almost surely, 2^72119147 is an apocalyptic number.

72119147 is a deficient number, since it is larger than the sum of its proper divisors (1).

72119147 is an equidigital number, since it uses as much as digits as its factorization.

72119147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 32.

The square root of 72119147 is about 8492.2992764033. The cubic root of 72119147 is about 416.2461156891.

The spelling of 72119147 in words is "seventy-two million, one hundred nineteen thousand, one hundred forty-seven".