696126672 has 120 divisors (see below), whose sum is σ = 2039099400. Its totient is φ = 221405184.

The previous prime is 696126667. The next prime is 696126689. The reversal of 696126672 is 276621696.

It can be written as a sum of positive squares in 4 ways, for example, as 3594816 + 692531856 = 1896^2 + 26316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370728 + ... + 372600.

It is an arithmetic number, because the mean of its divisors is an integer number (16992495).

Almost surely, 2^696126672 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 696126672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1019549700).

696126672 is an abundant number, since it is smaller than the sum of its proper divisors (1342972728).

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

696126672 is a wasteful number, since it uses less digits than its factorization.

696126672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005 (or 1996 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 696126672 is about 26384.2125522063. The cubic root of 696126672 is about 886.2632844552.

It can be divided in two parts, 6961 and 26672, that added together give a palindrome (33633).

The spelling of 696126672 in words is "six hundred ninety-six million, one hundred twenty-six thousand, six hundred seventy-two".