674129488 has 10 divisors (see below), whose sum is σ = 1306125914. Its totient is φ = 337064736.

The previous prime is 674129459. The next prime is 674129527. The reversal of 674129488 is 884921476.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 588159504 + 85969984 = 24252^2 + 9272^2 .

It is a super-3 number, since 3×674129488³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21066531 + ... + 21066562.

Almost surely, 2^674129488 is an apocalyptic number.

It is an amenable number.

674129488 is a deficient number, since it is larger than the sum of its proper divisors (631996426).

674129488 is a wasteful number, since it uses less digits than its factorization.

674129488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42133101 (or 42133095 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 674129488 is about 25964.0036974269. The cubic root of 674129488 is about 876.8280640515.

The spelling of 674129488 in words is "six hundred seventy-four million, one hundred twenty-nine thousand, four hundred eighty-eight".