47380643 has 4 divisors (see below), whose sum is σ = 48048048. Its totient is φ = 46713240.

The previous prime is 47380637. The next prime is 47380657. The reversal of 47380643 is 34608374.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47380643 - 2⁶ = 47380579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47380673) 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, 333596 + ... + 333737.

It is an arithmetic number, because the mean of its divisors is an integer number (12012012).

Almost surely, 2^47380643 is an apocalyptic number.

47380643 is a deficient number, since it is larger than the sum of its proper divisors (667405).

47380643 is an equidigital number, since it uses as much as digits as its factorization.

47380643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667404.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 47380643 is about 6883.3598627415. The cubic root of 47380643 is about 361.8542268902.

The spelling of 47380643 in words is "forty-seven million, three hundred eighty thousand, six hundred forty-three".