689019074 has 8 divisors (see below), whose sum is σ = 1048085568. Its totient is φ = 339657220.

The previous prime is 689019053. The next prime is 689019083. The reversal of 689019074 is 470910986.

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

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, 2425982 + ... + 2426265.

It is an arithmetic number, because the mean of its divisors is an integer number (131010696).

Almost surely, 2^689019074 is an apocalyptic number.

689019074 is a deficient number, since it is larger than the sum of its proper divisors (359066494).

689019074 is a wasteful number, since it uses less digits than its factorization.

689019074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852320.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 689019074 is about 26249.1728250625. The cubic root of 689019074 is about 883.2366493286.

The spelling of 689019074 in words is "six hundred eighty-nine million, nineteen thousand, seventy-four".