764419906 has 8 divisors (see below), whose sum is σ = 1146956544. Its totient is φ = 382101060.

The previous prime is 764419847. The next prime is 764419907. The reversal of 764419906 is 609914467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×764419906³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (764419907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45370 + ... + 59893.

It is an arithmetic number, because the mean of its divisors is an integer number (143369568).

Almost surely, 2^764419906 is an apocalyptic number.

764419906 is a deficient number, since it is larger than the sum of its proper divisors (382536638).

764419906 is a wasteful number, since it uses less digits than its factorization.

764419906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108896.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 764419906 is about 27648.1447117162. The cubic root of 764419906 is about 914.3461964244.

The spelling of 764419906 in words is "seven hundred sixty-four million, four hundred nineteen thousand, nine hundred six".