47995791 has 8 divisors (see below), whose sum is σ = 64076544. Its totient is φ = 31956120.

The previous prime is 47995763. The next prime is 47995799. The reversal of 47995791 is 19759974.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47995791 - 2⁹ = 47995279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47995799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7431 + ... + 12296.

It is an arithmetic number, because the mean of its divisors is an integer number (8009568).

Almost surely, 2^47995791 is an apocalyptic number.

47995791 is a deficient number, since it is larger than the sum of its proper divisors (16080753).

47995791 is a wasteful number, since it uses less digits than its factorization.

47995791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20541.

The product of its digits is 714420, while the sum is 51.

The square root of 47995791 is about 6927.8994652059. The cubic root of 47995791 is about 363.4134956718.

The spelling of 47995791 in words is "forty-seven million, nine hundred ninety-five thousand, seven hundred ninety-one".