74233985 has 48 divisors (see below), whose sum is σ = 111404160. Its totient is φ = 46479360.

The previous prime is 74233981. The next prime is 74233993. The reversal of 74233985 is 58933247.

It is not a de Polignac number, because 74233985 - 2² = 74233981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (74233981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 414626 + ... + 414804.

It is an arithmetic number, because the mean of its divisors is an integer number (2320920).

Almost surely, 2^74233985 is an apocalyptic number.

It is an amenable number.

74233985 is a deficient number, since it is larger than the sum of its proper divisors (37170175).

74233985 is a wasteful number, since it uses less digits than its factorization.

74233985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 249 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 74233985 is about 8615.9146351389. The cubic root of 74233985 is about 420.2756787992.

The spelling of 74233985 in words is "seventy-four million, two hundred thirty-three thousand, nine hundred eighty-five".