684270974 has 8 divisors (see below), whose sum is σ = 1027598400. Its totient is φ = 341738176.

The previous prime is 684270973. The next prime is 684270989. The reversal of 684270974 is 479072486.

684270974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684270973) 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, 196499 + ... + 199950.

It is an arithmetic number, because the mean of its divisors is an integer number (128449800).

Almost surely, 2^684270974 is an apocalyptic number.

684270974 is a deficient number, since it is larger than the sum of its proper divisors (343327426).

684270974 is a wasteful number, since it uses less digits than its factorization.

684270974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397314.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 684270974 is about 26158.5736231928. The cubic root of 684270974 is about 881.2031468208.

The spelling of 684270974 in words is "six hundred eighty-four million, two hundred seventy thousand, nine hundred seventy-four".