674780146 has 8 divisors (see below), whose sum is σ = 1014929280. Its totient is φ = 336470388.

The previous prime is 674780143. The next prime is 674780177. The reversal of 674780146 is 641087476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (674780143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458926 + ... + 460393.

It is an arithmetic number, because the mean of its divisors is an integer number (126866160).

Almost surely, 2^674780146 is an apocalyptic number.

674780146 is a deficient number, since it is larger than the sum of its proper divisors (340149134).

674780146 is a wasteful number, since it uses less digits than its factorization.

674780146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919688.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 674780146 is about 25976.5306767474. The cubic root of 674780146 is about 877.1100730485.

The spelling of 674780146 in words is "six hundred seventy-four million, seven hundred eighty thousand, one hundred forty-six".