74274882 has 48 divisors (see below), whose sum is σ = 164324160. Its totient is φ = 22364320.

The previous prime is 74274877. The next prime is 74274883. The reversal of 74274882 is 28847247.

It is a super-2 number, since 2×74274882² = 11033516192227848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74274883) 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 23 ways as a sum of consecutive naturals, for example, 190744 + ... + 191132.

It is an arithmetic number, because the mean of its divisors is an integer number (3423420).

Almost surely, 2^74274882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74274882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82162080).

74274882 is an abundant number, since it is smaller than the sum of its proper divisors (90049278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74274882 is a wasteful number, since it uses less digits than its factorization.

74274882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679 (or 668 counting only the distinct ones).

The product of its digits is 200704, while the sum is 42.

The square root of 74274882 is about 8618.2876489474. The cubic root of 74274882 is about 420.3528440805.

The spelling of 74274882 in words is "seventy-four million, two hundred seventy-four thousand, eight hundred eighty-two".