74644099 has 2 divisors, whose sum is σ = 74644100. Its totient is φ = 74644098.

The previous prime is 74644091. The next prime is 74644109. The reversal of 74644099 is 99044647.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74644099 - 2³ = 74644091 is a prime.

It is not a weakly prime, because it can be changed into another prime (74644091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37322049 + 37322050.

It is an arithmetic number, because the mean of its divisors is an integer number (37322050).

Almost surely, 2^74644099 is an apocalyptic number.

74644099 is a deficient number, since it is larger than the sum of its proper divisors (1).

74644099 is an equidigital number, since it uses as much as digits as its factorization.

74644099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 74644099 is about 8639.6816492276. The cubic root of 74644099 is about 421.0482113135.

The spelling of 74644099 in words is "seventy-four million, six hundred forty-four thousand, ninety-nine".