72492107 has 2 divisors, whose sum is σ = 72492108. Its totient is φ = 72492106.

The previous prime is 72492073. The next prime is 72492127. The reversal of 72492107 is 70129427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72492107 - 2²⁰ = 71443531 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72492127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36246053 + 36246054.

It is an arithmetic number, because the mean of its divisors is an integer number (36246054).

Almost surely, 2^72492107 is an apocalyptic number.

72492107 is a deficient number, since it is larger than the sum of its proper divisors (1).

72492107 is an equidigital number, since it uses as much as digits as its factorization.

72492107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 72492107 is about 8514.2296774283. The cubic root of 72492107 is about 416.9624132496.

The spelling of 72492107 in words is "seventy-two million, four hundred ninety-two thousand, one hundred seven".