47662313 has 4 divisors (see below), whose sum is σ = 47790468. Its totient is φ = 47534160.

The previous prime is 47662309. The next prime is 47662333. The reversal of 47662313 is 31326674.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14115049 + 33547264 = 3757^2 + 5792^2 .

It is a cyclic number.

It is not a de Polignac number, because 47662313 - 2² = 47662309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47662313.

It is not an unprimeable number, because it can be changed into a prime (47662333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63518 + ... + 64263.

It is an arithmetic number, because the mean of its divisors is an integer number (11947617).

Almost surely, 2^47662313 is an apocalyptic number.

It is an amenable number.

47662313 is a deficient number, since it is larger than the sum of its proper divisors (128155).

47662313 is a wasteful number, since it uses less digits than its factorization.

47662313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128154.

The product of its digits is 18144, while the sum is 32.

The square root of 47662313 is about 6903.7897563585. The cubic root of 47662313 is about 362.5698649327.

Adding to 47662313 its reverse (31326674), we get a palindrome (78988987).

The spelling of 47662313 in words is "forty-seven million, six hundred sixty-two thousand, three hundred thirteen".