47973697 has 2 divisors, whose sum is σ = 47973698. Its totient is φ = 47973696.

The previous prime is 47973683. The next prime is 47973713. The reversal of 47973697 is 79637974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38738176 + 9235521 = 6224^2 + 3039^2 .

It is a cyclic number.

It is not a de Polignac number, because 47973697 - 2²³ = 39585089 is a prime.

It is not a weakly prime, because it can be changed into another prime (47973617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23986848 + 23986849.

It is an arithmetic number, because the mean of its divisors is an integer number (23986849).

Almost surely, 2^47973697 is an apocalyptic number.

It is an amenable number.

47973697 is a deficient number, since it is larger than the sum of its proper divisors (1).

47973697 is an equidigital number, since it uses as much as digits as its factorization.

47973697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000376, while the sum is 52.

The square root of 47973697 is about 6926.3047146368. The cubic root of 47973697 is about 363.3577234887.

The spelling of 47973697 in words is "forty-seven million, nine hundred seventy-three thousand, six hundred ninety-seven".