72995959 has 2 divisors, whose sum is σ = 72995960. Its totient is φ = 72995958.

The previous prime is 72995957. The next prime is 72995963. The reversal of 72995959 is 95959927.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72995959 - 2¹ = 72995957 is a prime.

Together with 72995957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72995953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36497979 + 36497980.

It is an arithmetic number, because the mean of its divisors is an integer number (36497980).

Almost surely, 2^72995959 is an apocalyptic number.

72995959 is a deficient number, since it is larger than the sum of its proper divisors (1).

72995959 is an equidigital number, since it uses as much as digits as its factorization.

72995959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2296350, while the sum is 55.

The square root of 72995959 is about 8543.7672604069. The cubic root of 72995959 is about 417.9262077562.

The spelling of 72995959 in words is "seventy-two million, nine hundred ninety-five thousand, nine hundred fifty-nine".