47820727 has 2 divisors, whose sum is σ = 47820728. Its totient is φ = 47820726.

The previous prime is 47820697. The next prime is 47820733. The reversal of 47820727 is 72702874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47820727 - 2⁷ = 47820599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47820757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23910363 + 23910364.

It is an arithmetic number, because the mean of its divisors is an integer number (23910364).

Almost surely, 2^47820727 is an apocalyptic number.

47820727 is a deficient number, since it is larger than the sum of its proper divisors (1).

47820727 is an equidigital number, since it uses as much as digits as its factorization.

47820727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 47820727 is about 6915.2532130067. The cubic root of 47820727 is about 362.9711087611.

The spelling of 47820727 in words is "forty-seven million, eight hundred twenty thousand, seven hundred twenty-seven".