684222070 has 16 divisors (see below), whose sum is σ = 1407542688. Its totient is φ = 234590400.

The previous prime is 684222067. The next prime is 684222083. The reversal of 684222070 is 70222486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4887231 + ... + 4887370.

It is an arithmetic number, because the mean of its divisors is an integer number (87971418).

Almost surely, 2^684222070 is an apocalyptic number.

684222070 is an abundant number, since it is smaller than the sum of its proper divisors (723320618).

684222070 is a wasteful number, since it uses less digits than its factorization.

684222070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9774615.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 684222070 is about 26157.6388460427. The cubic root of 684222070 is about 881.1821534877.

The spelling of 684222070 in words is "six hundred eighty-four million, two hundred twenty-two thousand, seventy".