47307641 has 4 divisors (see below), whose sum is σ = 48200292. Its totient is φ = 46414992.

The previous prime is 47307599. The next prime is 47307661. The reversal of 47307641 is 14670374.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28783225 + 18524416 = 5365^2 + 4304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47307641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47307598 and 47307607.

It is not an unprimeable number, because it can be changed into a prime (47307661) 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, 446246 + ... + 446351.

It is an arithmetic number, because the mean of its divisors is an integer number (12050073).

Almost surely, 2^47307641 is an apocalyptic number.

It is an amenable number.

47307641 is a deficient number, since it is larger than the sum of its proper divisors (892651).

47307641 is an equidigital number, since it uses as much as digits as its factorization.

47307641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892650.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 47307641 is about 6878.0550303120. The cubic root of 47307641 is about 361.6682883639.

The spelling of 47307641 in words is "forty-seven million, three hundred seven thousand, six hundred forty-one".