74284568 has 8 divisors (see below), whose sum is σ = 139283580. Its totient is φ = 37142280.

The previous prime is 74284559. The next prime is 74284571. The reversal of 74284568 is 86548247.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4642778 + ... + 4642793.

Almost surely, 2^74284568 is an apocalyptic number.

It is an amenable number.

74284568 is a deficient number, since it is larger than the sum of its proper divisors (64999012).

74284568 is a wasteful number, since it uses less digits than its factorization.

74284568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9285577 (or 9285573 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The square root of 74284568 is about 8618.8495752043. The cubic root of 74284568 is about 420.3711156710.

The spelling of 74284568 in words is "seventy-four million, two hundred eighty-four thousand, five hundred sixty-eight".