689734701 has 12 divisors (see below), whose sum is σ = 1008895680. Its totient is φ = 454002120.

The previous prime is 689734681. The next prime is 689734769. The reversal of 689734701 is 107437986.

It is not a de Polignac number, because 689734701 - 2¹⁰ = 689733677 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689724701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484335 + ... + 485756.

It is an arithmetic number, because the mean of its divisors is an integer number (84074640).

Almost surely, 2^689734701 is an apocalyptic number.

It is an amenable number.

689734701 is a deficient number, since it is larger than the sum of its proper divisors (319160979).

689734701 is a wasteful number, since it uses less digits than its factorization.

689734701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970176 (or 970173 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 689734701 is about 26262.8007074645. The cubic root of 689734701 is about 883.5423250920.

The spelling of 689734701 in words is "six hundred eighty-nine million, seven hundred thirty-four thousand, seven hundred one".