74284308 has 144 divisors (see below), whose sum is σ = 228393984. Its totient is φ = 19906560.

The previous prime is 74284291. The next prime is 74284337. The reversal of 74284308 is 80348247.

74284308 is a `hidden beast` number, since 74 + 284 + 308 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 288916 + ... + 289172.

Almost surely, 2^74284308 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 74284308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114196992).

74284308 is an abundant number, since it is smaller than the sum of its proper divisors (154109676).

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

74284308 is a wasteful number, since it uses less digits than its factorization.

74284308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 74284308 is about 8618.8344919716. The cubic root of 74284308 is about 420.3706252298.

The spelling of 74284308 in words is "seventy-four million, two hundred eighty-four thousand, three hundred eight".