72651883 has 2 divisors, whose sum is σ = 72651884. Its totient is φ = 72651882.

The previous prime is 72651851. The next prime is 72651893. The reversal of 72651883 is 38815627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72651883 - 2⁵ = 72651851 is a prime.

It is a super-2 number, since 2×72651883² = 10556592206891378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72651893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36325941 + 36325942.

It is an arithmetic number, because the mean of its divisors is an integer number (36325942).

Almost surely, 2^72651883 is an apocalyptic number.

72651883 is a deficient number, since it is larger than the sum of its proper divisors (1).

72651883 is an equidigital number, since it uses as much as digits as its factorization.

72651883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 40.

The square root of 72651883 is about 8523.6073935864. The cubic root of 72651883 is about 417.2685233636.

The spelling of 72651883 in words is "seventy-two million, six hundred fifty-one thousand, eight hundred eighty-three".