42974768 has 20 divisors (see below), whose sum is σ = 83923200. Its totient is φ = 21317184.

The previous prime is 42974749. The next prime is 42974777. The reversal of 42974768 is 86747924.

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, 8543 + ... + 12606.

It is an arithmetic number, because the mean of its divisors is an integer number (4196160).

Almost surely, 2^42974768 is an apocalyptic number.

It is an amenable number.

42974768 is a deficient number, since it is larger than the sum of its proper divisors (40948432).

42974768 is a wasteful number, since it uses less digits than its factorization.

42974768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21284 (or 21278 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 42974768 is about 6555.5143200210. The cubic root of 42974768 is about 350.2712672512.

The spelling of 42974768 in words is "forty-two million, nine hundred seventy-four thousand, seven hundred sixty-eight".