47240506 has 4 divisors (see below), whose sum is σ = 70860762. Its totient is φ = 23620252.

The previous prime is 47240471. The next prime is 47240509. The reversal of 47240506 is 60504274.

47240506 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 only one way, i.e., 26163225 + 21077281 = 5115^2 + 4591^2 .

It is not an unprimeable number, because it can be changed into a prime (47240509) 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 as a sum of consecutive naturals, namely, 11810125 + ... + 11810128.

Almost surely, 2^47240506 is an apocalyptic number.

47240506 is a deficient number, since it is larger than the sum of its proper divisors (23620256).

47240506 is a wasteful number, since it uses less digits than its factorization.

47240506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23620255.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 47240506 is about 6873.1729208569. The cubic root of 47240506 is about 361.4971243634.

The spelling of 47240506 in words is "forty-seven million, two hundred forty thousand, five hundred six".