74974281 has 12 divisors (see below), whose sum is σ = 102470256. Its totient is φ = 48760480.

The previous prime is 74974253. The next prime is 74974283. The reversal of 74974281 is 18247947.

It is a happy number.

It is not a de Polignac number, because 74974281 - 2⁶ = 74974217 is a prime.

It is a super-2 number, since 2×74974281² = 11242285622933922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74974283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2391 + ... + 12476.

It is an arithmetic number, because the mean of its divisors is an integer number (8539188).

Almost surely, 2^74974281 is an apocalyptic number.

It is an amenable number.

74974281 is a deficient number, since it is larger than the sum of its proper divisors (27495975).

74974281 is a wasteful number, since it uses less digits than its factorization.

74974281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14952 (or 14911 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 74974281 is about 8658.7690233659. The cubic root of 74974281 is about 421.6681221514.

The spelling of 74974281 in words is "seventy-four million, nine hundred seventy-four thousand, two hundred eighty-one".