674001616 has 20 divisors (see below), whose sum is σ = 1312513092. Its totient is φ = 335288576.

The previous prime is 674001607. The next prime is 674001623. The reversal of 674001616 is 616100476.

It can be written as a sum of positive squares in 2 ways, for example, as 497111616 + 176890000 = 22296^2 + 13300^2 .

It is a super-2 number, since 2×674001616² = 908556356741222912, which contains 22 as substring.

It is a congruent number.

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, 103765 + ... + 110068.

Almost surely, 2^674001616 is an apocalyptic number.

It is an amenable number.

674001616 is a deficient number, since it is larger than the sum of its proper divisors (638511476).

674001616 is a wasteful number, since it uses less digits than its factorization.

674001616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214038 (or 214032 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 674001616 is about 25961.5410944728. The cubic root of 674001616 is about 876.7726202778.

The spelling of 674001616 in words is "six hundred seventy-four million, one thousand, six hundred sixteen".