47680293 has 4 divisors (see below), whose sum is σ = 63573728. Its totient is φ = 31786860.

The previous prime is 47680289. The next prime is 47680301. The reversal of 47680293 is 39208674.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47680293 - 2² = 47680289 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 (47680093) 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, 7946713 + ... + 7946718.

It is an arithmetic number, because the mean of its divisors is an integer number (15893432).

Almost surely, 2^47680293 is an apocalyptic number.

It is an amenable number.

47680293 is a deficient number, since it is larger than the sum of its proper divisors (15893435).

47680293 is a wasteful number, since it uses less digits than its factorization.

47680293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15893434.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 47680293 is about 6905.0918169131. The cubic root of 47680293 is about 362.6154508209.

The spelling of 47680293 in words is "forty-seven million, six hundred eighty thousand, two hundred ninety-three".