72632899 has 2 divisors, whose sum is σ = 72632900. Its totient is φ = 72632898.

The previous prime is 72632893. The next prime is 72632933. The reversal of 72632899 is 99823627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72632899 - 2²⁵ = 39078467 is a prime.

It is not a weakly prime, because it can be changed into another prime (72632893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36316449 + 36316450.

It is an arithmetic number, because the mean of its divisors is an integer number (36316450).

Almost surely, 2^72632899 is an apocalyptic number.

72632899 is a deficient number, since it is larger than the sum of its proper divisors (1).

72632899 is an equidigital number, since it uses as much as digits as its factorization.

72632899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 72632899 is about 8522.4937078299. The cubic root of 72632899 is about 417.2321759886.

The spelling of 72632899 in words is "seventy-two million, six hundred thirty-two thousand, eight hundred ninety-nine".