74252999 has 2 divisors, whose sum is σ = 74253000. Its totient is φ = 74252998.

The previous prime is 74252989. The next prime is 74253001. The reversal of 74252999 is 99925247.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74252999 is a prime.

Together with 74253001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74252909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37126499 + 37126500.

It is an arithmetic number, because the mean of its divisors is an integer number (37126500).

Almost surely, 2^74252999 is an apocalyptic number.

74252999 is a deficient number, since it is larger than the sum of its proper divisors (1).

74252999 is an equidigital number, since it uses as much as digits as its factorization.

74252999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 47.

The square root of 74252999 is about 8617.0179876800. The cubic root of 74252999 is about 420.3115583207.

The spelling of 74252999 in words is "seventy-four million, two hundred fifty-two thousand, nine hundred ninety-nine".