674668742 has 16 divisors (see below), whose sum is σ = 1108750032. Its totient is φ = 305349120.

The previous prime is 674668741. The next prime is 674668751. The reversal of 674668742 is 247866476.

It is a super-2 number, since 2×674668742² = 910355822863725128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674668741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60683 + ... + 70934.

It is an arithmetic number, because the mean of its divisors is an integer number (69296877).

Almost surely, 2^674668742 is an apocalyptic number.

674668742 is a deficient number, since it is larger than the sum of its proper divisors (434081290).

674668742 is a wasteful number, since it uses less digits than its factorization.

674668742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131863.

The product of its digits is 2709504, while the sum is 50.

The square root of 674668742 is about 25974.3862680141. The cubic root of 674668742 is about 877.0618010550.

The spelling of 674668742 in words is "six hundred seventy-four million, six hundred sixty-eight thousand, seven hundred forty-two".