47920313 has 8 divisors (see below), whose sum is σ = 54882432. Its totient is φ = 40987296.

The previous prime is 47920309. The next prime is 47920333. The reversal of 47920313 is 31302974.

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

It is not a de Polignac number, because 47920313 - 2² = 47920309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47920333) 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, 3620 + ... + 10437.

It is an arithmetic number, because the mean of its divisors is an integer number (6860304).

Almost surely, 2^47920313 is an apocalyptic number.

It is an amenable number.

47920313 is a deficient number, since it is larger than the sum of its proper divisors (6962119).

47920313 is a wasteful number, since it uses less digits than its factorization.

47920313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14551.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 47920313 is about 6922.4499275907. The cubic root of 47920313 is about 363.2228948263. Note that the first 3 decimals are identical.

The spelling of 47920313 in words is "forty-seven million, nine hundred twenty thousand, three hundred thirteen".