47921903 has 8 divisors (see below), whose sum is σ = 50078688. Its totient is φ = 45771264.

The previous prime is 47921899. The next prime is 47921941. The reversal of 47921903 is 30912974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47921903 - 2² = 47921899 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 (47923903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22751 + ... + 24767.

It is an arithmetic number, because the mean of its divisors is an integer number (6259836).

Almost surely, 2^47921903 is an apocalyptic number.

47921903 is a deficient number, since it is larger than the sum of its proper divisors (2156785).

47921903 is a wasteful number, since it uses less digits than its factorization.

47921903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 47921903 is about 6922.5647703723. The cubic root of 47921903 is about 363.2269120373.

The spelling of 47921903 in words is "forty-seven million, nine hundred twenty-one thousand, nine hundred three".