47069971 has 4 divisors (see below), whose sum is σ = 50690752. Its totient is φ = 43449192.

The previous prime is 47069963. The next prime is 47069977. The reversal of 47069971 is 17996074.

It is a happy number.

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 47069971 - 2³ = 47069963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47069977) 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, 1810371 + ... + 1810396.

It is an arithmetic number, because the mean of its divisors is an integer number (12672688).

Almost surely, 2^47069971 is an apocalyptic number.

47069971 is a deficient number, since it is larger than the sum of its proper divisors (3620781).

47069971 is a wasteful number, since it uses less digits than its factorization.

47069971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620780.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 47069971 is about 6860.7558621481. The cubic root of 47069971 is about 361.0616065699.

The spelling of 47069971 in words is "forty-seven million, sixty-nine thousand, nine hundred seventy-one".