72906367 has 2 divisors, whose sum is σ = 72906368. Its totient is φ = 72906366.

The previous prime is 72906349. The next prime is 72906373. The reversal of 72906367 is 76360927.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72906367 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72906307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36453183 + 36453184.

It is an arithmetic number, because the mean of its divisors is an integer number (36453184).

Almost surely, 2^72906367 is an apocalyptic number.

72906367 is a deficient number, since it is larger than the sum of its proper divisors (1).

72906367 is an equidigital number, since it uses as much as digits as its factorization.

72906367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 72906367 is about 8538.5225302742. The cubic root of 72906367 is about 417.7551563979.

The spelling of 72906367 in words is "seventy-two million, nine hundred six thousand, three hundred sixty-seven".