4724778136 has 32 divisors (see below), whose sum is σ = 9869403600. Its totient is φ = 2105470080.

The previous prime is 4724778109. The next prime is 4724778161. The reversal of 4724778136 is 6318774274.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4724778136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780270 + ... + 786301.

Almost surely, 2^4724778136 is an apocalyptic number.

It is an amenable number.

4724778136 is an abundant number, since it is smaller than the sum of its proper divisors (5144625464).

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

4724778136 is a wasteful number, since it uses less digits than its factorization.

4724778136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566619 (or 1566615 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 49.

The square root of 4724778136 is about 68737.0215822594. The cubic root of 4724778136 is about 1678.0071484990.

The spelling of 4724778136 in words is "four billion, seven hundred twenty-four million, seven hundred seventy-eight thousand, one hundred thirty-six".