674338572 has 18 divisors (see below), whose sum is σ = 1704578148. Its totient is φ = 224779512.

The previous prime is 674338559. The next prime is 674338583. The reversal of 674338572 is 275833476.

674338572 is a `hidden beast` number, since 6 + 7 + 43 + 38 + 572 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9365778 + ... + 9365849.

It is an arithmetic number, because the mean of its divisors is an integer number (94698786).

Almost surely, 2^674338572 is an apocalyptic number.

It is an amenable number.

674338572 is an abundant number, since it is smaller than the sum of its proper divisors (1030239576).

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

674338572 is a wasteful number, since it uses less digits than its factorization.

674338572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18731637 (or 18731632 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 674338572 is about 25968.0298058979. The cubic root of 674338572 is about 876.9187052769.

The spelling of 674338572 in words is "six hundred seventy-four million, three hundred thirty-eight thousand, five hundred seventy-two".