686734050 has 24 divisors (see below), whose sum is σ = 1703100816. Its totient is φ = 183129040.

The previous prime is 686734049. The next prime is 686734073. The reversal of 686734050 is 50437686.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2288964 + ... + 2289263.

It is an arithmetic number, because the mean of its divisors is an integer number (70962534).

Almost surely, 2^686734050 is an apocalyptic number.

686734050 is an abundant number, since it is smaller than the sum of its proper divisors (1016366766).

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

686734050 is a wasteful number, since it uses less digits than its factorization.

686734050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578242 (or 4578237 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 686734050 is about 26205.6110403860. The cubic root of 686734050 is about 882.2591959359.

The spelling of 686734050 in words is "six hundred eighty-six million, seven hundred thirty-four thousand, fifty".