47424791 has 2 divisors, whose sum is σ = 47424792. Its totient is φ = 47424790.

The previous prime is 47424757. The next prime is 47424799. The reversal of 47424791 is 19742474.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47424791 is a prime.

It is a super-2 number, since 2×47424791² = 4498221602787362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47424799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23712395 + 23712396.

It is an arithmetic number, because the mean of its divisors is an integer number (23712396).

Almost surely, 2^47424791 is an apocalyptic number.

47424791 is a deficient number, since it is larger than the sum of its proper divisors (1).

47424791 is an equidigital number, since it uses as much as digits as its factorization.

47424791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 38.

The square root of 47424791 is about 6886.5659802256. The cubic root of 47424791 is about 361.9665806577.

The spelling of 47424791 in words is "forty-seven million, four hundred twenty-four thousand, seven hundred ninety-one".