47772724 has 12 divisors (see below), whose sum is σ = 83670048. Its totient is φ = 23867000.

The previous prime is 47772691. The next prime is 47772743. The reversal of 47772724 is 42727774.

It is a happy number.

47772724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×47772724³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1689 + ... + 9919.

It is an arithmetic number, because the mean of its divisors is an integer number (6972504).

Almost surely, 2^47772724 is an apocalyptic number.

It is an amenable number.

47772724 is a deficient number, since it is larger than the sum of its proper divisors (35897324).

47772724 is a wasteful number, since it uses less digits than its factorization.

47772724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9686 (or 9684 counting only the distinct ones).

The product of its digits is 153664, while the sum is 40.

The square root of 47772724 is about 6911.7815358994. The cubic root of 47772724 is about 362.8496165650.

The spelling of 47772724 in words is "forty-seven million, seven hundred seventy-two thousand, seven hundred twenty-four".