47075311 has 4 divisors (see below), whose sum is σ = 47206800. Its totient is φ = 46943824.

The previous prime is 47075309. The next prime is 47075447. The reversal of 47075311 is 11357074.

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 47075311 - 2¹ = 47075309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47075311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47075111) 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, 65206 + ... + 65923.

It is an arithmetic number, because the mean of its divisors is an integer number (11801700).

Almost surely, 2^47075311 is an apocalyptic number.

47075311 is a deficient number, since it is larger than the sum of its proper divisors (131489).

47075311 is a wasteful number, since it uses less digits than its factorization.

47075311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131488.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 47075311 is about 6861.1450210588. The cubic root of 47075311 is about 361.0752599745.

The spelling of 47075311 in words is "forty-seven million, seventy-five thousand, three hundred eleven".