763149906 has 24 divisors (see below), whose sum is σ = 1710509580. Its totient is φ = 245611296.

The previous prime is 763149889. The next prime is 763149911. The reversal of 763149906 is 609941367.

763149906 is a `hidden beast` number, since 7 + 631 + 4 + 9 + 9 + 0 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 762256881 + 893025 = 27609^2 + 945^2 .

It is a super-3 number, since 3×763149906³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 730465 + ... + 731508.

Almost surely, 2^763149906 is an apocalyptic number.

763149906 is an abundant number, since it is smaller than the sum of its proper divisors (947359674).

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

763149906 is a wasteful number, since it uses less digits than its factorization.

763149906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462010 (or 1462007 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 763149906 is about 27625.1679813897. The cubic root of 763149906 is about 913.8395537034.

The spelling of 763149906 in words is "seven hundred sixty-three million, one hundred forty-nine thousand, nine hundred six".