47020711 has 4 divisors (see below), whose sum is σ = 47064672. Its totient is φ = 46976752.

The previous prime is 47020709. The next prime is 47020741. The reversal of 47020711 is 11702074.

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 47020711 - 2¹ = 47020709 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 (47020741) 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, 20335 + ... + 22528.

It is an arithmetic number, because the mean of its divisors is an integer number (11766168).

Almost surely, 2^47020711 is an apocalyptic number.

47020711 is a deficient number, since it is larger than the sum of its proper divisors (43961).

47020711 is a wasteful number, since it uses less digits than its factorization.

47020711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43960.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 47020711 is about 6857.1649389525. The cubic root of 47020711 is about 360.9356090217.

Adding to 47020711 its reverse (11702074), we get a palindrome (58722785).

The spelling of 47020711 in words is "forty-seven million, twenty thousand, seven hundred eleven".