695340637 has 4 divisors (see below), whose sum is σ = 697441696. Its totient is φ = 693239580.

The previous prime is 695340617. The next prime is 695340643. The reversal of 695340637 is 736043596.

695340637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-695340637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 695340593 and 695340602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695340617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050033 + ... + 1050694.

It is an arithmetic number, because the mean of its divisors is an integer number (174360424).

Almost surely, 2^695340637 is an apocalyptic number.

It is an amenable number.

695340637 is a deficient number, since it is larger than the sum of its proper divisors (2101059).

695340637 is a wasteful number, since it uses less digits than its factorization.

695340637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101058.

The product of its (nonzero) digits is 408240, while the sum is 43.

The square root of 695340637 is about 26369.3124104517. The cubic root of 695340637 is about 885.9295825798.

The spelling of 695340637 in words is "six hundred ninety-five million, three hundred forty thousand, six hundred thirty-seven".