47720363 has 2 divisors, whose sum is σ = 47720364. Its totient is φ = 47720362.

The previous prime is 47720359. The next prime is 47720401. The reversal of 47720363 is 36302774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47720363 - 2² = 47720359 is a prime.

It is equal to p_2872355 and since 47720363 and 2872355 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47720303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23860181 + 23860182.

It is an arithmetic number, because the mean of its divisors is an integer number (23860182).

Almost surely, 2^47720363 is an apocalyptic number.

47720363 is a deficient number, since it is larger than the sum of its proper divisors (1).

47720363 is an equidigital number, since it uses as much as digits as its factorization.

47720363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 47720363 is about 6907.9926896313. The cubic root of 47720363 is about 362.7170017400.

The spelling of 47720363 in words is "forty-seven million, seven hundred twenty thousand, three hundred sixty-three".