47450147 has 2 divisors, whose sum is σ = 47450148. Its totient is φ = 47450146.

The previous prime is 47450099. The next prime is 47450153. The reversal of 47450147 is 74105474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47450147 - 2²⁰ = 46401571 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (47450747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23725073 + 23725074.

It is an arithmetic number, because the mean of its divisors is an integer number (23725074).

Almost surely, 2^47450147 is an apocalyptic number.

47450147 is a deficient number, since it is larger than the sum of its proper divisors (1).

47450147 is an equidigital number, since it uses as much as digits as its factorization.

47450147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 47450147 is about 6888.4067098278. The cubic root of 47450147 is about 362.0310784953.

The spelling of 47450147 in words is "forty-seven million, four hundred fifty thousand, one hundred forty-seven".