47400347 has 2 divisors, whose sum is σ = 47400348. Its totient is φ = 47400346.

The previous prime is 47400343. The next prime is 47400349. The reversal of 47400347 is 74300474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47400347 - 2² = 47400343 is a prime.

Together with 47400349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47400343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23700173 + 23700174.

It is an arithmetic number, because the mean of its divisors is an integer number (23700174).

Almost surely, 2^47400347 is an apocalyptic number.

47400347 is a deficient number, since it is larger than the sum of its proper divisors (1).

47400347 is an equidigital number, since it uses as much as digits as its factorization.

47400347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 47400347 is about 6884.7909917440. The cubic root of 47400347 is about 361.9043808989.

The spelling of 47400347 in words is "forty-seven million, four hundred thousand, three hundred forty-seven".