674768788 has 6 divisors (see below), whose sum is σ = 1180845386. Its totient is φ = 337384392.

The previous prime is 674768761. The next prime is 674768789. The reversal of 674768788 is 887867476.

It can be written as a sum of positive squares in only one way, i.e., 623101444 + 51667344 = 24962^2 + 7188^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674768789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84346095 + ... + 84346102.

Almost surely, 2^674768788 is an apocalyptic number.

It is an amenable number.

674768788 is a deficient number, since it is larger than the sum of its proper divisors (506076598).

674768788 is a wasteful number, since it uses less digits than its factorization.

674768788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168692201 (or 168692199 counting only the distinct ones).

The product of its digits is 25288704, while the sum is 61.

The square root of 674768788 is about 25976.3120554093. The cubic root of 674768788 is about 877.1051518051.

The spelling of 674768788 in words is "six hundred seventy-four million, seven hundred sixty-eight thousand, seven hundred eighty-eight".