689792740 has 48 divisors (see below), whose sum is σ = 1782853632. Its totient is φ = 218307456.

The previous prime is 689792737. The next prime is 689792797. The reversal of 689792740 is 47297986.

689792740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187684 + ... + 191323.

It is an arithmetic number, because the mean of its divisors is an integer number (37142784).

Almost surely, 2^689792740 is an apocalyptic number.

It is an amenable number.

689792740 is an abundant number, since it is smaller than the sum of its proper divisors (1093060892).

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

689792740 is a wasteful number, since it uses less digits than its factorization.

689792740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379036 (or 379034 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 689792740 is about 26263.9056501504. The cubic root of 689792740 is about 883.5671068303.

The spelling of 689792740 in words is "six hundred eighty-nine million, seven hundred ninety-two thousand, seven hundred forty".