699474870 has 24 divisors (see below), whose sum is σ = 1818634896. Its totient is φ = 186526608.

The previous prime is 699474869. The next prime is 699474871. The reversal of 699474870 is 78474996.

It is a happy number.

699474870 is a `hidden beast` number, since 6 + 99 + 474 + 87 + 0 = 666.

699474870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (699474869) and next prime (699474871).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699474871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3885882 + ... + 3886061.

It is an arithmetic number, because the mean of its divisors is an integer number (75776454).

Almost surely, 2^699474870 is an apocalyptic number.

699474870 is an abundant number, since it is smaller than the sum of its proper divisors (1119160026).

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

699474870 is a wasteful number, since it uses less digits than its factorization.

699474870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7771956 (or 7771953 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 699474870 is about 26447.5872245466. The cubic root of 699474870 is about 887.6819152320.

The spelling of 699474870 in words is "six hundred ninety-nine million, four hundred seventy-four thousand, eight hundred seventy".