74748899 has 2 divisors, whose sum is σ = 74748900. Its totient is φ = 74748898.

The previous prime is 74748893. The next prime is 74748901. The reversal of 74748899 is 99884747.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74748899 is a prime.

Together with 74748901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74748893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37374449 + 37374450.

It is an arithmetic number, because the mean of its divisors is an integer number (37374450).

Almost surely, 2^74748899 is an apocalyptic number.

74748899 is a deficient number, since it is larger than the sum of its proper divisors (1).

74748899 is an equidigital number, since it uses as much as digits as its factorization.

74748899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 56.

The square root of 74748899 is about 8645.7445601868. The cubic root of 74748899 is about 421.2451691369.

The spelling of 74748899 in words is "seventy-four million, seven hundred forty-eight thousand, eight hundred ninety-nine".