689575074 has 8 divisors (see below), whose sum is σ = 1379150160. Its totient is φ = 229858356.

The previous prime is 689575043. The next prime is 689575087. The reversal of 689575074 is 470575986.

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

689575074 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57464584 + ... + 57464595.

It is an arithmetic number, because the mean of its divisors is an integer number (172393770).

Almost surely, 2^689575074 is an apocalyptic number.

689575074 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.

689575074 is a wasteful number, since it uses less digits than its factorization.

689575074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114929184.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 689575074 is about 26259.7614992977. The cubic root of 689575074 is about 883.4741597079.

The spelling of 689575074 in words is "six hundred eighty-nine million, five hundred seventy-five thousand, seventy-four".