72934171 has 2 divisors, whose sum is σ = 72934172. Its totient is φ = 72934170.

The previous prime is 72934153. The next prime is 72934181. The reversal of 72934171 is 17143927.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72934171 - 2⁵ = 72934139 is a prime.

It is not a weakly prime, because it can be changed into another prime (72934151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36467085 + 36467086.

It is an arithmetic number, because the mean of its divisors is an integer number (36467086).

Almost surely, 2^72934171 is an apocalyptic number.

72934171 is a deficient number, since it is larger than the sum of its proper divisors (1).

72934171 is an equidigital number, since it uses as much as digits as its factorization.

72934171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 34.

The square root of 72934171 is about 8540.1505256055. The cubic root of 72934171 is about 417.8082555011.

The spelling of 72934171 in words is "seventy-two million, nine hundred thirty-four thousand, one hundred seventy-one".