47461493 has 4 divisors (see below), whose sum is σ = 48471360. Its totient is φ = 46451628.

The previous prime is 47461471. The next prime is 47461499. The reversal of 47461493 is 39416474.

47461493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 47461493 - 2⁸ = 47461237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47461499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504863 + ... + 504956.

It is an arithmetic number, because the mean of its divisors is an integer number (12117840).

Almost surely, 2^47461493 is an apocalyptic number.

It is an amenable number.

47461493 is a deficient number, since it is larger than the sum of its proper divisors (1009867).

47461493 is a wasteful number, since it uses less digits than its factorization.

47461493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009866.

The product of its digits is 72576, while the sum is 38.

The square root of 47461493 is about 6889.2302182464. The cubic root of 47461493 is about 362.0599317763.

The spelling of 47461493 in words is "forty-seven million, four hundred sixty-one thousand, four hundred ninety-three".