47132765 has 4 divisors (see below), whose sum is σ = 56559324. Its totient is φ = 37706208.

The previous prime is 47132759. The next prime is 47132797. The reversal of 47132765 is 56723174.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56723174 = 2 ⋅28361587.

It can be written as a sum of positive squares in 2 ways, for example, as 11539609 + 35593156 = 3397^2 + 5966^2 .

It is a cyclic number.

It is not a de Polignac number, because 47132765 - 2⁸ = 47132509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4713272 + ... + 4713281.

It is an arithmetic number, because the mean of its divisors is an integer number (14139831).

Almost surely, 2^47132765 is an apocalyptic number.

It is an amenable number.

47132765 is a deficient number, since it is larger than the sum of its proper divisors (9426559).

47132765 is an equidigital number, since it uses as much as digits as its factorization.

47132765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9426558.

The product of its digits is 35280, while the sum is 35.

The square root of 47132765 is about 6865.3306548192. The cubic root of 47132765 is about 361.2220940836. Note that the first 3 decimals are identical.

The spelling of 47132765 in words is "forty-seven million, one hundred thirty-two thousand, seven hundred sixty-five".