47092805 has 16 divisors (see below), whose sum is σ = 61299504. Its totient is φ = 34590720.

The previous prime is 47092763. The next prime is 47092807. The reversal of 47092805 is 50829074.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1705636 + 45387169 = 1306^2 + 6737^2 .

It is not a de Polignac number, because 47092805 - 2⁶ = 47092741 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 (47092807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3272 + ... + 10241.

It is an arithmetic number, because the mean of its divisors is an integer number (3831219).

Almost surely, 2^47092805 is an apocalyptic number.

It is an amenable number.

47092805 is a deficient number, since it is larger than the sum of its proper divisors (14206699).

47092805 is a wasteful number, since it uses less digits than its factorization.

47092805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13576.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 47092805 is about 6862.4197627368. The cubic root of 47092805 is about 361.1199817063.

The spelling of 47092805 in words is "forty-seven million, ninety-two thousand, eight hundred five".