47724426 has 24 divisors (see below), whose sum is σ = 103767300. Its totient is φ = 15852096.

The previous prime is 47724403. The next prime is 47724427. The reversal of 47724426 is 62442774.

It is a happy number.

47724426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38452401 + 9272025 = 6201^2 + 3045^2 .

It is not an unprimeable number, because it can be changed into a prime (47724427) 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 11 ways as a sum of consecutive naturals, for example, 750 + ... + 9798.

Almost surely, 2^47724426 is an apocalyptic number.

47724426 is an abundant number, since it is smaller than the sum of its proper divisors (56042874).

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

47724426 is a wasteful number, since it uses less digits than its factorization.

47724426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9350 (or 9347 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 47724426 is about 6908.2867630115. The cubic root of 47724426 is about 362.7272955800.

The spelling of 47724426 in words is "forty-seven million, seven hundred twenty-four thousand, four hundred twenty-six".