685654734 has 8 divisors (see below), whose sum is σ = 1371309480. Its totient is φ = 228551576.

The previous prime is 685654703. The next prime is 685654747. The reversal of 685654734 is 437456586.

685654734 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.

685654734 is an admirable number.

It is a super-2 number, since 2×685654734² = 940244828513221512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57137889 + ... + 57137900.

It is an arithmetic number, because the mean of its divisors is an integer number (171413685).

Almost surely, 2^685654734 is an apocalyptic number.

685654734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

685654734 is a wasteful number, since it uses less digits than its factorization.

685654734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114275794.

The product of its digits is 2419200, while the sum is 48.

The square root of 685654734 is about 26185.0097193031. The cubic root of 685654734 is about 881.7967482251.

The spelling of 685654734 in words is "six hundred eighty-five million, six hundred fifty-four thousand, seven hundred thirty-four".