47940613 has 4 divisors (see below), whose sum is σ = 54789280. Its totient is φ = 41091948.

The previous prime is 47940593. The next prime is 47940619. The reversal of 47940613 is 31604974.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31604974 = 2 ⋅15802487.

It is a cyclic number.

It is not a de Polignac number, because 47940613 - 2²⁵ = 14386181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47940619) 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 in 3 ways as a sum of consecutive naturals, for example, 3424323 + ... + 3424336.

It is an arithmetic number, because the mean of its divisors is an integer number (13697320).

Almost surely, 2^47940613 is an apocalyptic number.

It is an amenable number.

47940613 is a deficient number, since it is larger than the sum of its proper divisors (6848667).

47940613 is an equidigital number, since it uses as much as digits as its factorization.

47940613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6848666.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 47940613 is about 6923.9160162440. The cubic root of 47940613 is about 363.2741770723.

The spelling of 47940613 in words is "forty-seven million, nine hundred forty thousand, six hundred thirteen".