47132737 has 2 divisors, whose sum is σ = 47132738. Its totient is φ = 47132736.

The previous prime is 47132731. The next prime is 47132747. The reversal of 47132737 is 73723174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36433296 + 10699441 = 6036^2 + 3271^2 .

It is a cyclic number.

It is not a de Polignac number, because 47132737 - 2²³ = 38744129 is a prime.

It is a super-2 number, since 2×47132737² = 4442989794222338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47132731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23566368 + 23566369.

It is an arithmetic number, because the mean of its divisors is an integer number (23566369).

Almost surely, 2^47132737 is an apocalyptic number.

It is an amenable number.

47132737 is a deficient number, since it is larger than the sum of its proper divisors (1).

47132737 is an equidigital number, since it uses as much as digits as its factorization.

47132737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696, while the sum is 34.

The square root of 47132737 is about 6865.3286155872. The cubic root of 47132737 is about 361.2220225536. Note that the first 3 decimals are identical.

The spelling of 47132737 in words is "forty-seven million, one hundred thirty-two thousand, seven hundred thirty-seven".