47918103 has 4 divisors (see below), whose sum is σ = 63890808. Its totient is φ = 31945400.

The previous prime is 47918093. The next prime is 47918173. The reversal of 47918103 is 30181974.

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 47918103 - 2¹⁴ = 47901719 is a prime.

It is a super-2 number, since 2×47918103² = 4592289190237218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47918173) 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, 7986348 + ... + 7986353.

It is an arithmetic number, because the mean of its divisors is an integer number (15972702).

Almost surely, 2^47918103 is an apocalyptic number.

47918103 is a deficient number, since it is larger than the sum of its proper divisors (15972705).

47918103 is a wasteful number, since it uses less digits than its factorization.

47918103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15972704.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 47918103 is about 6922.2903001824. The cubic root of 47918103 is about 363.2173110082.

The spelling of 47918103 in words is "forty-seven million, nine hundred eighteen thousand, one hundred three".