674645372 has 6 divisors (see below), whose sum is σ = 1180629408. Its totient is φ = 337322684.

The previous prime is 674645371. The next prime is 674645401. The reversal of 674645372 is 273546476.

It is a super-2 number, since 2×674645372² = 910292755922036768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674645371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84330668 + ... + 84330675.

It is an arithmetic number, because the mean of its divisors is an integer number (196771568).

Almost surely, 2^674645372 is an apocalyptic number.

It is an amenable number.

674645372 is a deficient number, since it is larger than the sum of its proper divisors (505984036).

674645372 is a wasteful number, since it uses less digits than its factorization.

674645372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168661347 (or 168661345 counting only the distinct ones).

The product of its digits is 846720, while the sum is 44.

The square root of 674645372 is about 25973.9363978585. The cubic root of 674645372 is about 877.0516740254.

The spelling of 674645372 in words is "six hundred seventy-four million, six hundred forty-five thousand, three hundred seventy-two".