47066961 has 4 divisors (see below), whose sum is σ = 62755952. Its totient is φ = 31377972.

The previous prime is 47066953. The next prime is 47066989. The reversal of 47066961 is 16966074.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47066961 - 2³ = 47066953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47066911) 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, 7844491 + ... + 7844496.

It is an arithmetic number, because the mean of its divisors is an integer number (15688988).

Almost surely, 2^47066961 is an apocalyptic number.

It is an amenable number.

47066961 is a deficient number, since it is larger than the sum of its proper divisors (15688991).

47066961 is a wasteful number, since it uses less digits than its factorization.

47066961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15688990.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 47066961 is about 6860.5364950563. The cubic root of 47066961 is about 361.0539100946.

The spelling of 47066961 in words is "forty-seven million, sixty-six thousand, nine hundred sixty-one".