47380637 has 2 divisors, whose sum is σ = 47380638. Its totient is φ = 47380636.

The previous prime is 47380631. The next prime is 47380657. The reversal of 47380637 is 73608374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40883236 + 6497401 = 6394^2 + 2549^2 .

It is a cyclic number.

It is not a de Polignac number, because 47380637 - 2⁸ = 47380381 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47380637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47380631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23690318 + 23690319.

It is an arithmetic number, because the mean of its divisors is an integer number (23690319).

Almost surely, 2^47380637 is an apocalyptic number.

It is an amenable number.

47380637 is a deficient number, since it is larger than the sum of its proper divisors (1).

47380637 is an equidigital number, since it uses as much as digits as its factorization.

47380637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 47380637 is about 6883.3594269078. The cubic root of 47380637 is about 361.8542116159.

The spelling of 47380637 in words is "forty-seven million, three hundred eighty thousand, six hundred thirty-seven".