699975216 has 80 divisors (see below), whose sum is σ = 2013487200. Its totient is φ = 232826112.

The previous prime is 699975209. The next prime is 699975239. The reversal of 699975216 is 612579996.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239170 + ... + 242078.

It is an arithmetic number, because the mean of its divisors is an integer number (25168590).

Almost surely, 2^699975216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 699975216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1006743600).

699975216 is an abundant number, since it is smaller than the sum of its proper divisors (1313511984).

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

699975216 is a wasteful number, since it uses less digits than its factorization.

699975216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483 (or 3471 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 699975216 is about 26457.0447329251. The cubic root of 699975216 is about 887.8935226605.

It can be divided in two parts, 6999 and 75216, that added together give a triangular number (82215 = T₄₀₅).

The spelling of 699975216 in words is "six hundred ninety-nine million, nine hundred seventy-five thousand, two hundred sixteen".