47274737 has 2 divisors, whose sum is σ = 47274738. Its totient is φ = 47274736.

The previous prime is 47274719. The next prime is 47274743. The reversal of 47274737 is 73747274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36012001 + 11262736 = 6001^2 + 3356^2 .

It is a cyclic number.

It is not a de Polignac number, because 47274737 - 2⁸ = 47274481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47274694 and 47274703.

It is not a weakly prime, because it can be changed into another prime (47274707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23637368 + 23637369.

It is an arithmetic number, because the mean of its divisors is an integer number (23637369).

Almost surely, 2^47274737 is an apocalyptic number.

It is an amenable number.

47274737 is a deficient number, since it is larger than the sum of its proper divisors (1).

47274737 is an equidigital number, since it uses as much as digits as its factorization.

47274737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230496, while the sum is 41.

The square root of 47274737 is about 6875.6626589733. The cubic root of 47274737 is about 361.5844182378.

The spelling of 47274737 in words is "forty-seven million, two hundred seventy-four thousand, seven hundred thirty-seven".