47072546737 has 2 divisors, whose sum is σ = 47072546738. Its totient is φ = 47072546736.

The previous prime is 47072546687. The next prime is 47072546753. The reversal of 47072546737 is 73764527074.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43232389776 + 3840156961 = 207924^2 + 61969^2 .

It is a cyclic number.

It is not a de Polignac number, because 47072546737 - 2²³ = 47064158129 is a prime.

It is not a weakly prime, because it can be changed into another prime (47072546767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23536273368 + 23536273369.

It is an arithmetic number, because the mean of its divisors is an integer number (23536273369).

Almost surely, 2^47072546737 is an apocalyptic number.

It is an amenable number.

47072546737 is a deficient number, since it is larger than the sum of its proper divisors (1).

47072546737 is an equidigital number, since it uses as much as digits as its factorization.

47072546737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6914880, while the sum is 52.

The spelling of 47072546737 in words is "forty-seven billion, seventy-two million, five hundred forty-six thousand, seven hundred thirty-seven".