47231693 has 4 divisors (see below), whose sum is σ = 48755328. Its totient is φ = 45708060.

The previous prime is 47231689. The next prime is 47231711. The reversal of 47231693 is 39613274.

47231693 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 47231693 - 2² = 47231689 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 (47231993) 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, 761771 + ... + 761832.

It is an arithmetic number, because the mean of its divisors is an integer number (12188832).

Almost surely, 2^47231693 is an apocalyptic number.

It is an amenable number.

47231693 is a deficient number, since it is larger than the sum of its proper divisors (1523635).

47231693 is a wasteful number, since it uses less digits than its factorization.

47231693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523634.

The product of its digits is 27216, while the sum is 35.

The square root of 47231693 is about 6872.5317751175. The cubic root of 47231693 is about 361.4746431458.

The spelling of 47231693 in words is "forty-seven million, two hundred thirty-one thousand, six hundred ninety-three".