763284780 has 72 divisors (see below), whose sum is σ = 2322352032. Its totient is φ = 202922496.

The previous prime is 763284763. The next prime is 763284791. The reversal of 763284780 is 87482367.

It is a happy number.

763284780 is a `hidden beast` number, since 7 + 632 + 8 + 4 + 7 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54369 + ... + 66951.

Almost surely, 2^763284780 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 763284780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161176016).

763284780 is an abundant number, since it is smaller than the sum of its proper divisors (1559067252).

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

763284780 is a wasteful number, since it uses less digits than its factorization.

763284780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12935 (or 12930 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 763284780 is about 27627.6090170684. The cubic root of 763284780 is about 913.8933858250.

The spelling of 763284780 in words is "seven hundred sixty-three million, two hundred eighty-four thousand, seven hundred eighty".