763642404 has 60 divisors (see below), whose sum is σ = 2281506304. Its totient is φ = 218182896.

The previous prime is 763642387. The next prime is 763642409. The reversal of 763642404 is 404246367.

763642404 is a `hidden beast` number, since 7 + 6 + 3 + 642 + 4 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (763642409) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 166084 + ... + 170619.

Almost surely, 2^763642404 is an apocalyptic number.

It is an amenable number.

763642404 is an abundant number, since it is smaller than the sum of its proper divisors (1517863900).

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

763642404 is a wasteful number, since it uses less digits than its factorization.

763642404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336726 (or 336715 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The square root of 763642404 is about 27634.0804804502. The cubic root of 763642404 is about 914.0360932332.

The spelling of 763642404 in words is "seven hundred sixty-three million, six hundred forty-two thousand, four hundred four".