72607963 has 2 divisors, whose sum is σ = 72607964. Its totient is φ = 72607962.

The previous prime is 72607957. The next prime is 72607973. The reversal of 72607963 is 36970627.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72607963 is a prime.

It is not a weakly prime, because it can be changed into another prime (72607973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36303981 + 36303982.

It is an arithmetic number, because the mean of its divisors is an integer number (36303982).

Almost surely, 2^72607963 is an apocalyptic number.

72607963 is a deficient number, since it is larger than the sum of its proper divisors (1).

72607963 is an equidigital number, since it uses as much as digits as its factorization.

72607963 is an odious number, because the sum of its binary digits is odd.

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

The square root of 72607963 is about 8521.0306301527. The cubic root of 72607963 is about 417.1844230992.

The spelling of 72607963 in words is "seventy-two million, six hundred seven thousand, nine hundred sixty-three".