634677772 has 12 divisors (see below), whose sum is σ = 1110886840. Its totient is φ = 317281536.

The previous prime is 634677737. The next prime is 634677773. The reversal of 634677772 is 277776436.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (634677773) 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, 19363 + ... + 40549.

Almost surely, 2^634677772 is an apocalyptic number.

It is an amenable number.

634677772 is a deficient number, since it is larger than the sum of its proper divisors (476209068).

634677772 is a wasteful number, since it uses less digits than its factorization.

634677772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28680 (or 28678 counting only the distinct ones).

The product of its digits is 2074464, while the sum is 49.

The square root of 634677772 is about 25192.8119113369. The cubic root of 634677772 is about 859.3783916243.

The spelling of 634677772 in words is "six hundred thirty-four million, six hundred seventy-seven thousand, seven hundred seventy-two".