47261719 has 2 divisors, whose sum is σ = 47261720. Its totient is φ = 47261718.

The previous prime is 47261713. The next prime is 47261723. The reversal of 47261719 is 91716274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47261719 - 2¹³ = 47253527 is a prime.

It is a super-2 number, since 2×47261719² = 4467340165669922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47261713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23630859 + 23630860.

It is an arithmetic number, because the mean of its divisors is an integer number (23630860).

Almost surely, 2^47261719 is an apocalyptic number.

47261719 is a deficient number, since it is larger than the sum of its proper divisors (1).

47261719 is an equidigital number, since it uses as much as digits as its factorization.

47261719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 37.

The square root of 47261719 is about 6874.7159214036. The cubic root of 47261719 is about 361.5512254701.

The spelling of 47261719 in words is "forty-seven million, two hundred sixty-one thousand, seven hundred nineteen".