699420512 has 72 divisors (see below), whose sum is σ = 1653583680. Its totient is φ = 290062080.

The previous prime is 699420497. The next prime is 699420539. The reversal of 699420512 is 215024996.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 41414 + ... + 55802.

It is an arithmetic number, because the mean of its divisors is an integer number (22966440).

Almost surely, 2^699420512 is an apocalyptic number.

699420512 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 699420512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (826791840).

699420512 is an abundant number, since it is smaller than the sum of its proper divisors (954163168).

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

699420512 is a wasteful number, since it uses less digits than its factorization.

699420512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14444 (or 14429 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 699420512 is about 26446.5595494007. The cubic root of 699420512 is about 887.6589199510.

The spelling of 699420512 in words is "six hundred ninety-nine million, four hundred twenty thousand, five hundred twelve".