674194142 has 4 divisors (see below), whose sum is σ = 1011291216. Its totient is φ = 337097070.

The previous prime is 674194139. The next prime is 674194151. The reversal of 674194142 is 241491476.

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

It is a super-2 number, since 2×674194142² = 909075482214232328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 674194096 and 674194105.

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, 168548534 + ... + 168548537.

It is an arithmetic number, because the mean of its divisors is an integer number (252822804).

Almost surely, 2^674194142 is an apocalyptic number.

674194142 is a deficient number, since it is larger than the sum of its proper divisors (337097074).

674194142 is a wasteful number, since it uses less digits than its factorization.

674194142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337097073.

The product of its digits is 48384, while the sum is 38.

The square root of 674194142 is about 25965.2487374953. The cubic root of 674194142 is about 876.8560945859.

The spelling of 674194142 in words is "six hundred seventy-four million, one hundred ninety-four thousand, one hundred forty-two".