695470644 has 48 divisors (see below), whose sum is σ = 1966991040. Its totient is φ = 210748320.

The previous prime is 695470639. The next prime is 695470649. The reversal of 695470644 is 446074596.

695470644 is a `hidden beast` number, since 69 + 547 + 0 + 6 + 44 = 666.

It is an interprime number because it is at equal distance from previous prime (695470639) and next prime (695470649).

It is a self number, because there is not a number n which added to its sum of digits gives 695470644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695470649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291519 + ... + 293894.

It is an arithmetic number, because the mean of its divisors is an integer number (40978980).

Almost surely, 2^695470644 is an apocalyptic number.

It is an amenable number.

695470644 is an abundant number, since it is smaller than the sum of its proper divisors (1271520396).

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

695470644 is a wasteful number, since it uses less digits than its factorization.

695470644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585437 (or 585429 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 695470644 is about 26371.7774145013. Note that the first 3 decimals coincide. The cubic root of 695470644 is about 885.9847928674.

The spelling of 695470644 in words is "six hundred ninety-five million, four hundred seventy thousand, six hundred forty-four".