47728337 has 2 divisors, whose sum is σ = 47728338. Its totient is φ = 47728336.

The previous prime is 47728319. The next prime is 47728397. The reversal of 47728337 is 73382774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41357761 + 6370576 = 6431^2 + 2524^2 .

It is a cyclic number.

It is not a de Polignac number, because 47728337 - 2⁶ = 47728273 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47728294 and 47728303.

It is not a weakly prime, because it can be changed into another prime (47728397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23864168 + 23864169.

It is an arithmetic number, because the mean of its divisors is an integer number (23864169).

Almost surely, 2^47728337 is an apocalyptic number.

It is an amenable number.

47728337 is a deficient number, since it is larger than the sum of its proper divisors (1).

47728337 is an equidigital number, since it uses as much as digits as its factorization.

47728337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 41.

The square root of 47728337 is about 6908.5698230531. The cubic root of 47728337 is about 362.7372037677.

The spelling of 47728337 in words is "forty-seven million, seven hundred twenty-eight thousand, three hundred thirty-seven".