72514399 has 2 divisors, whose sum is σ = 72514400. Its totient is φ = 72514398.

The previous prime is 72514381. The next prime is 72514417. The reversal of 72514399 is 99341527.

It is a balanced prime because it is at equal distance from previous prime (72514381) and next prime (72514417).

It is an emirp because it is prime and its reverse (99341527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72514399 - 2⁷ = 72514271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72514499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36257199 + 36257200.

It is an arithmetic number, because the mean of its divisors is an integer number (36257200).

Almost surely, 2^72514399 is an apocalyptic number.

72514399 is a deficient number, since it is larger than the sum of its proper divisors (1).

72514399 is an equidigital number, since it uses as much as digits as its factorization.

72514399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 40.

The square root of 72514399 is about 8515.5386793790. The cubic root of 72514399 is about 417.0051488149.

The spelling of 72514399 in words is "seventy-two million, five hundred fourteen thousand, three hundred ninety-nine".