74099245 has 16 divisors (see below), whose sum is σ = 97215552. Its totient is φ = 53772160.

The previous prime is 74099239. The next prime is 74099251. The reversal of 74099245 is 54299047.

It is an interprime number because it is at equal distance from previous prime (74099239) and next prime (74099251).

It is not a de Polignac number, because 74099245 - 2⁷ = 74099117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74099198 and 74099207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29769 + ... + 32161.

It is an arithmetic number, because the mean of its divisors is an integer number (6075972).

Almost surely, 2^74099245 is an apocalyptic number.

It is an amenable number.

74099245 is a deficient number, since it is larger than the sum of its proper divisors (23116307).

74099245 is a wasteful number, since it uses less digits than its factorization.

74099245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 74099245 is about 8608.0918326886. The cubic root of 74099245 is about 420.0212479802.

The spelling of 74099245 in words is "seventy-four million, ninety-nine thousand, two hundred forty-five".