47537689 has 2 divisors, whose sum is σ = 47537690. Its totient is φ = 47537688.

The previous prime is 47537683. The next prime is 47537723. The reversal of 47537689 is 98673574.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47499664 + 38025 = 6892^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 47537689 - 2³ = 47537681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47537681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23768844 + 23768845.

It is an arithmetic number, because the mean of its divisors is an integer number (23768845).

Almost surely, 2^47537689 is an apocalyptic number.

It is an amenable number.

47537689 is a deficient number, since it is larger than the sum of its proper divisors (1).

47537689 is an equidigital number, since it uses as much as digits as its factorization.

47537689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 47537689 is about 6894.7580813253. The cubic root of 47537689 is about 362.2535818753.

The spelling of 47537689 in words is "forty-seven million, five hundred thirty-seven thousand, six hundred eighty-nine".