47490903 has 6 divisors (see below), whose sum is σ = 68597984. Its totient is φ = 31660596.

The previous prime is 47490889. The next prime is 47490941. The reversal of 47490903 is 30909474.

It is not a de Polignac number, because 47490903 - 2⁵ = 47490871 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 (47491903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2638375 + ... + 2638392.

Almost surely, 2^47490903 is an apocalyptic number.

47490903 is a deficient number, since it is larger than the sum of its proper divisors (21107081).

47490903 is a wasteful number, since it uses less digits than its factorization.

47490903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276773 (or 5276770 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 47490903 is about 6891.3643786989. The cubic root of 47490903 is about 362.1347010489.

The spelling of 47490903 in words is "forty-seven million, four hundred ninety thousand, nine hundred three".