674646674 has 8 divisors (see below), whose sum is σ = 1089813900. Its totient is φ = 311375376.

The previous prime is 674646673. The next prime is 674646689. The reversal of 674646674 is 476646476.

It can be written as a sum of positive squares in 2 ways, for example, as 667860649 + 6786025 = 25843^2 + 2605^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (674646673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12973949 + ... + 12974000.

Almost surely, 2^674646674 is an apocalyptic number.

674646674 is a deficient number, since it is larger than the sum of its proper divisors (415167226).

674646674 is a wasteful number, since it uses less digits than its factorization.

674646674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25947964.

The product of its digits is 4064256, while the sum is 50.

The square root of 674646674 is about 25973.9614614329. The cubic root of 674646674 is about 877.0522382332.

The spelling of 674646674 in words is "six hundred seventy-four million, six hundred forty-six thousand, six hundred seventy-four".