47740117 has 2 divisors, whose sum is σ = 47740118. Its totient is φ = 47740116.

The previous prime is 47740079. The next prime is 47740129. The reversal of 47740117 is 71104774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46321636 + 1418481 = 6806^2 + 1191^2 .

It is a cyclic number.

It is not a de Polignac number, because 47740117 - 2¹⁹ = 47215829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47740417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23870058 + 23870059.

It is an arithmetic number, because the mean of its divisors is an integer number (23870059).

Almost surely, 2^47740117 is an apocalyptic number.

It is an amenable number.

47740117 is a deficient number, since it is larger than the sum of its proper divisors (1).

47740117 is an equidigital number, since it uses as much as digits as its factorization.

47740117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 47740117 is about 6909.4223347542. The cubic root of 47740117 is about 362.7670441311.

The spelling of 47740117 in words is "forty-seven million, seven hundred forty thousand, one hundred seventeen".