47032903 has 4 divisors (see below), whose sum is σ = 47059888. Its totient is φ = 47005920.

The previous prime is 47032901. The next prime is 47032913. The reversal of 47032903 is 30923074.

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

It is a cyclic number.

It is not a de Polignac number, because 47032903 - 2¹ = 47032901 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47032901) 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, 10683 + ... + 14428.

It is an arithmetic number, because the mean of its divisors is an integer number (11764972).

Almost surely, 2^47032903 is an apocalyptic number.

47032903 is a deficient number, since it is larger than the sum of its proper divisors (26985).

47032903 is a wasteful number, since it uses less digits than its factorization.

47032903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26984.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 47032903 is about 6858.0538784702. The cubic root of 47032903 is about 360.9668019901.

Adding to 47032903 its reverse (30923074), we get a palindrome (77955977).

The spelling of 47032903 in words is "forty-seven million, thirty-two thousand, nine hundred three".