695640000 has 560 divisors, whose sum is σ = 2742322176. Its totient is φ = 153600000.

The previous prime is 695639977. The next prime is 695640013. The reversal of 695640000 is 46596.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 695640000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 22439985 + ... + 22440015.

Almost surely, 2^695640000 is an apocalyptic number.

695640000 is a gapful number since it is divisible by the number (60) 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 695640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1371161088).

695640000 is an abundant number, since it is smaller than the sum of its proper divisors (2046682176).

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

695640000 is a wasteful number, since it uses less digits than its factorization.

695640000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 695640000 is about 26374.9881516561. The cubic root of 695640000 is about 886.0567032417.

Adding to 695640000 its reverse (46596), we get a palindrome (695686596).

The spelling of 695640000 in words is "six hundred ninety-five million, six hundred forty thousand".