47293805 has 24 divisors (see below), whose sum is σ = 62195112. Its totient is φ = 34504704.

The previous prime is 47293801. The next prime is 47293823. The reversal of 47293805 is 50839274.

It can be written as a sum of positive squares in 12 ways, for example, as 12033961 + 35259844 = 3469^2 + 5938^2 .

It is not a de Polignac number, because 47293805 - 2² = 47293801 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 (47293801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81677 + ... + 82253.

It is an arithmetic number, because the mean of its divisors is an integer number (2591463).

Almost surely, 2^47293805 is an apocalyptic number.

It is an amenable number.

47293805 is a deficient number, since it is larger than the sum of its proper divisors (14901307).

47293805 is a wasteful number, since it uses less digits than its factorization.

47293805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 47293805 is about 6877.0491491627. The cubic root of 47293805 is about 361.6330260521.

The spelling of 47293805 in words is "forty-seven million, two hundred ninety-three thousand, eight hundred five".