763490064 has 80 divisors (see below), whose sum is σ = 2018720000. Its totient is φ = 248583168.

The previous prime is 763490029. The next prime is 763490093. The reversal of 763490064 is 460094367.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380937 + ... + 382935.

It is an arithmetic number, because the mean of its divisors is an integer number (25234000).

Almost surely, 2^763490064 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 763490064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009360000).

763490064 is an abundant number, since it is smaller than the sum of its proper divisors (1255229936).

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

763490064 is a wasteful number, since it uses less digits than its factorization.

763490064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 763490064 is about 27631.3239639363. The cubic root of 763490064 is about 913.9753084478.

The spelling of 763490064 in words is "seven hundred sixty-three million, four hundred ninety thousand, sixty-four".