47524247 has 4 divisors (see below), whose sum is σ = 47576880. Its totient is φ = 47471616.

The previous prime is 47524219. The next prime is 47524249. The reversal of 47524247 is 74242574.

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

It is a cyclic number.

It is not a de Polignac number, because 47524247 - 2⁸ = 47523991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47524249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24938 + ... + 26775.

It is an arithmetic number, because the mean of its divisors is an integer number (11894220).

Almost surely, 2^47524247 is an apocalyptic number.

47524247 is a deficient number, since it is larger than the sum of its proper divisors (52633).

47524247 is an equidigital number, since it uses as much as digits as its factorization.

47524247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52632.

The product of its digits is 62720, while the sum is 35.

The square root of 47524247 is about 6893.7832138819. The cubic root of 47524247 is about 362.2194344315.

The spelling of 47524247 in words is "forty-seven million, five hundred twenty-four thousand, two hundred forty-seven".