763420648 has 8 divisors (see below), whose sum is σ = 1431413730. Its totient is φ = 381710320.

The previous prime is 763420633. The next prime is 763420699. The reversal of 763420648 is 846024367.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 522488164 + 240932484 = 22858^2 + 15522^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×763420648² = 1165622171585479808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 763420648.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47713783 + ... + 47713798.

Almost surely, 2^763420648 is an apocalyptic number.

It is an amenable number.

763420648 is a deficient number, since it is larger than the sum of its proper divisors (667993082).

763420648 is a wasteful number, since it uses less digits than its factorization.

763420648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95427587 (or 95427583 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 763420648 is about 27630.0678247448. The cubic root of 763420648 is about 913.9476082695.

It can be divided in two parts, 7634 and 20648, that added together give a palindrome (28282).

The spelling of 763420648 in words is "seven hundred sixty-three million, four hundred twenty thousand, six hundred forty-eight".