72552199 has 2 divisors, whose sum is σ = 72552200. Its totient is φ = 72552198.

The previous prime is 72552191. The next prime is 72552211. The reversal of 72552199 is 99125527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72552199 - 2³ = 72552191 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 (72552191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36276099 + 36276100.

It is an arithmetic number, because the mean of its divisors is an integer number (36276100).

Almost surely, 2^72552199 is an apocalyptic number.

72552199 is a deficient number, since it is larger than the sum of its proper divisors (1).

72552199 is an equidigital number, since it uses as much as digits as its factorization.

72552199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 40.

The square root of 72552199 is about 8517.7578622546. The cubic root of 72552199 is about 417.0775944566.

The spelling of 72552199 in words is "seventy-two million, five hundred fifty-two thousand, one hundred ninety-nine".