687422014 has 8 divisors (see below), whose sum is σ = 1085403240. Its totient is φ = 325620936.

The previous prime is 687421991. The next prime is 687422017. The reversal of 687422014 is 410224786.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687422017) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9044989 + ... + 9045064.

It is an arithmetic number, because the mean of its divisors is an integer number (135675405).

Almost surely, 2^687422014 is an apocalyptic number.

687422014 is a deficient number, since it is larger than the sum of its proper divisors (397981226).

687422014 is a wasteful number, since it uses less digits than its factorization.

687422014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18090074.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 687422014 is about 26218.7340274087. The cubic root of 687422014 is about 882.5537107217.

It can be divided in two parts, 68742 and 2014, that added together give a square (70756 = 266²).

The spelling of 687422014 in words is "six hundred eighty-seven million, four hundred twenty-two thousand, fourteen".