674942650 has 12 divisors (see below), whose sum is σ = 1255393422. Its totient is φ = 269977040.

The previous prime is 674942629. The next prime is 674942683. The reversal of 674942650 is 56249476.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 396686889 + 278255761 = 19917^2 + 16681^2 .

It is a junction number, because it is equal to n+sod(n) for n = 674942597 and 674942606.

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, 6749377 + ... + 6749476.

Almost surely, 2^674942650 is an apocalyptic number.

674942650 is a deficient number, since it is larger than the sum of its proper divisors (580450772).

674942650 is a wasteful number, since it uses less digits than its factorization.

674942650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13498865 (or 13498860 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 674942650 is about 25979.6583888241. The cubic root of 674942650 is about 877.1804774392.

It can be divided in two parts, 6749426 and 50, that added together give a palindrome (6749476).

The spelling of 674942650 in words is "six hundred seventy-four million, nine hundred forty-two thousand, six hundred fifty".