47008245 has 32 divisors (see below), whose sum is σ = 79478784. Its totient is φ = 23688000.

The previous prime is 47008243. The next prime is 47008249. The reversal of 47008245 is 54280074.

It is not a de Polignac number, because 47008245 - 2¹ = 47008243 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47008243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18820 + ... + 21170.

It is an arithmetic number, because the mean of its divisors is an integer number (2483712).

Almost surely, 2^47008245 is an apocalyptic number.

It is an amenable number.

47008245 is a deficient number, since it is larger than the sum of its proper divisors (32470539).

47008245 is a wasteful number, since it uses less digits than its factorization.

47008245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 47008245 is about 6856.2559024587. The cubic root of 47008245 is about 360.9037094545.

The spelling of 47008245 in words is "forty-seven million, eight thousand, two hundred forty-five".