4678491772 has 12 divisors (see below), whose sum is σ = 8187929680. Its totient is φ = 2339083296.

The previous prime is 4678491757. The next prime is 4678491833. The reversal of 4678491772 is 2771948764.

It is a happy number.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43408 + ... + 106024.

Almost surely, 2^4678491772 is an apocalyptic number.

It is an amenable number.

4678491772 is a deficient number, since it is larger than the sum of its proper divisors (3509437908).

4678491772 is a wasteful number, since it uses less digits than its factorization.

4678491772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81300 (or 81298 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 55.

The square root of 4678491772 is about 68399.5012554916. The cubic root of 4678491772 is about 1672.5096157811.

The spelling of 4678491772 in words is "four billion, six hundred seventy-eight million, four hundred ninety-one thousand, seven hundred seventy-two".