47624993 has 4 divisors (see below), whose sum is σ = 51288468. Its totient is φ = 43961520.

The previous prime is 47624971. The next prime is 47625029. The reversal of 47624993 is 39942674.

47624993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28815424 + 18809569 = 5368^2 + 4337^2 .

It is a cyclic number.

It is not a de Polignac number, because 47624993 - 2¹⁰ = 47623969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47624933) 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, 1831718 + ... + 1831743.

It is an arithmetic number, because the mean of its divisors is an integer number (12822117).

Almost surely, 2^47624993 is an apocalyptic number.

It is an amenable number.

47624993 is a deficient number, since it is larger than the sum of its proper divisors (3663475).

47624993 is a wasteful number, since it uses less digits than its factorization.

47624993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663474.

The product of its digits is 326592, while the sum is 44.

The square root of 47624993 is about 6901.0863637546. The cubic root of 47624993 is about 362.4752084512.

The spelling of 47624993 in words is "forty-seven million, six hundred twenty-four thousand, nine hundred ninety-three".