74268684 has 96 divisors (see below), whose sum is σ = 227225600. Its totient is φ = 20528640.

The previous prime is 74268683. The next prime is 74268707. The reversal of 74268684 is 48686247.

It is not an unprimeable number, because it can be changed into a prime (74268683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21852 + ... + 25020.

Almost surely, 2^74268684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74268684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113612800).

74268684 is an abundant number, since it is smaller than the sum of its proper divisors (152956916).

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

74268684 is a wasteful number, since it uses less digits than its factorization.

74268684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220 (or 3212 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 74268684 is about 8617.9280572537. The cubic root of 74268684 is about 420.3411513910.

It can be divided in two parts, 7426 and 8684, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 74268684 in words is "seventy-four million, two hundred sixty-eight thousand, six hundred eighty-four".