47921373 has 6 divisors (see below), whose sum is σ = 69219774. Its totient is φ = 31947576.

The previous prime is 47921371. The next prime is 47921383. The reversal of 47921373 is 37312974.

It can be written as a sum of positive squares in only one way, i.e., 24621444 + 23299929 = 4962^2 + 4827^2 .

It is not a de Polignac number, because 47921373 - 2¹ = 47921371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47921371) 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, 2662290 + ... + 2662307.

It is an arithmetic number, because the mean of its divisors is an integer number (11536629).

Almost surely, 2^47921373 is an apocalyptic number.

It is an amenable number.

47921373 is a deficient number, since it is larger than the sum of its proper divisors (21298401).

47921373 is a wasteful number, since it uses less digits than its factorization.

47921373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5324603 (or 5324600 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 47921373 is about 6922.5264896568. The cubic root of 47921373 is about 363.2255729768.

The spelling of 47921373 in words is "forty-seven million, nine hundred twenty-one thousand, three hundred seventy-three".