74842280 has 16 divisors (see below), whose sum is σ = 168395220. Its totient is φ = 29936896.

The previous prime is 74842259. The next prime is 74842291. The reversal of 74842280 is 8224847.

It can be written as a sum of positive squares in 2 ways, for example, as 62125924 + 12716356 = 7882^2 + 3566^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74842280.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935489 + ... + 935568.

Almost surely, 2^74842280 is an apocalyptic number.

It is an amenable number.

74842280 is an abundant number, since it is smaller than the sum of its proper divisors (93552940).

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

74842280 is a wasteful number, since it uses less digits than its factorization.

74842280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871068 (or 1871064 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 74842280 is about 8651.1432770473. The cubic root of 74842280 is about 421.4205114120.

The spelling of 74842280 in words is "seventy-four million, eight hundred forty-two thousand, two hundred eighty".