691233714 has 12 divisors (see below), whose sum is σ = 1497673086. Its totient is φ = 230411232.

The previous prime is 691233713. The next prime is 691233727. The reversal of 691233714 is 417332196.

691233714 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 373146489 + 318087225 = 19317^2 + 17835^2 .

It is not an unprimeable number, because it can be changed into a prime (691233713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19200919 + ... + 19200954.

Almost surely, 2^691233714 is an apocalyptic number.

691233714 is an abundant number, since it is smaller than the sum of its proper divisors (806439372).

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

691233714 is a wasteful number, since it uses less digits than its factorization.

691233714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38401881 (or 38401878 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 691233714 is about 26291.3239301485. The cubic root of 691233714 is about 884.1819348379.

The spelling of 691233714 in words is "six hundred ninety-one million, two hundred thirty-three thousand, seven hundred fourteen".