695999072 has 48 divisors (see below), whose sum is σ = 1421537040. Its totient is φ = 335043072.

The previous prime is 695999071. The next prime is 695999099. The reversal of 695999072 is 270999596.

It is a super-2 number, since 2×695999072² = 968829416449722368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 695998999 and 695999017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695999071) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 410258 + ... + 411950.

It is an arithmetic number, because the mean of its divisors is an integer number (29615355).

Almost surely, 2^695999072 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 695999072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710768520).

695999072 is an abundant number, since it is smaller than the sum of its proper divisors (725537968).

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

695999072 is a wasteful number, since it uses less digits than its factorization.

695999072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175 (or 2167 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 56.

The square root of 695999072 is about 26381.7943286654. The cubic root of 695999072 is about 886.2091304677.

The spelling of 695999072 in words is "six hundred ninety-five million, nine hundred ninety-nine thousand, seventy-two".