74998305 has 48 divisors (see below), whose sum is σ = 142781184. Its totient is φ = 37635840.

The previous prime is 74998279. The next prime is 74998327. The reversal of 74998305 is 50389947.

It is not a de Polignac number, because 74998305 - 2¹⁰ = 74997281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18840 + ... + 22470.

It is an arithmetic number, because the mean of its divisors is an integer number (2974608).

Almost surely, 2^74998305 is an apocalyptic number.

It is an amenable number.

74998305 is a deficient number, since it is larger than the sum of its proper divisors (67782879).

74998305 is a wasteful number, since it uses less digits than its factorization.

74998305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668 (or 3656 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 74998305 is about 8660.1561764208. The cubic root of 74998305 is about 421.7131556972.

The spelling of 74998305 in words is "seventy-four million, nine hundred ninety-eight thousand, three hundred five".