674132506 has 4 divisors (see below), whose sum is σ = 1011198762. Its totient is φ = 337066252.

The previous prime is 674132453. The next prime is 674132513. The reversal of 674132506 is 605231476.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 434347281 + 239785225 = 20841^2 + 15485^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168533125 + ... + 168533128.

Almost surely, 2^674132506 is an apocalyptic number.

674132506 is a deficient number, since it is larger than the sum of its proper divisors (337066256).

674132506 is a wasteful number, since it uses less digits than its factorization.

674132506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337066255.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 674132506 is about 25964.0618162875. The cubic root of 674132506 is about 876.8293725356.

The spelling of 674132506 in words is "six hundred seventy-four million, one hundred thirty-two thousand, five hundred six".