763640000 has 140 divisors (see below), whose sum is σ = 2006751384. Its totient is φ = 287232000.

The previous prime is 763639913. The next prime is 763640027. The reversal of 763640000 is 46367.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 679439 + ... + 680561.

Almost surely, 2^763640000 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 763640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003375692).

763640000 is an abundant number, since it is smaller than the sum of its proper divisors (1243111384).

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

763640000 is a wasteful number, since it uses less digits than its factorization.

763640000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 763640000 is about 27634.0369834015. The cubic root of 763640000 is about 914.0351340822.

Adding to 763640000 its reverse (46367), we get a palindrome (763686367).

The spelling of 763640000 in words is "seven hundred sixty-three million, six hundred forty thousand".