47140757 has 2 divisors, whose sum is σ = 47140758. Its totient is φ = 47140756.

The previous prime is 47140733. The next prime is 47140759. The reversal of 47140757 is 75704174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38056561 + 9084196 = 6169^2 + 3014^2 .

It is a cyclic number.

It is not a de Polignac number, because 47140757 - 2¹⁶ = 47075221 is a prime.

Together with 47140759, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47140759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23570378 + 23570379.

It is an arithmetic number, because the mean of its divisors is an integer number (23570379).

Almost surely, 2^47140757 is an apocalyptic number.

It is an amenable number.

47140757 is a deficient number, since it is larger than the sum of its proper divisors (1).

47140757 is an equidigital number, since it uses as much as digits as its factorization.

47140757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 47140757 is about 6865.9126851424. The cubic root of 47140757 is about 361.2425096326.

The spelling of 47140757 in words is "forty-seven million, one hundred forty thousand, seven hundred fifty-seven".