74894288 has 20 divisors (see below), whose sum is σ = 165837600. Its totient is φ = 32097504.

The previous prime is 74894273. The next prime is 74894293. The reversal of 74894288 is 88249847.

It is a congruent number.

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, 334238 + ... + 334461.

It is an arithmetic number, because the mean of its divisors is an integer number (8291880).

Almost surely, 2^74894288 is an apocalyptic number.

It is an amenable number.

74894288 is an abundant number, since it is smaller than the sum of its proper divisors (90943312).

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

74894288 is a wasteful number, since it uses less digits than its factorization.

74894288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668714 (or 668708 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 50.

The square root of 74894288 is about 8654.1486005268. The cubic root of 74894288 is about 421.5181040346.

The spelling of 74894288 in words is "seventy-four million, eight hundred ninety-four thousand, two hundred eighty-eight".