47497071 has 4 divisors (see below), whose sum is σ = 63329432. Its totient is φ = 31664712.

The previous prime is 47497067. The next prime is 47497081. The reversal of 47497071 is 17079474.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 47497071 - 2² = 47497067 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 (47497081) 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, 7916176 + ... + 7916181.

It is an arithmetic number, because the mean of its divisors is an integer number (15832358).

Almost surely, 2^47497071 is an apocalyptic number.

47497071 is a deficient number, since it is larger than the sum of its proper divisors (15832361).

47497071 is a wasteful number, since it uses less digits than its factorization.

47497071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15832360.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 47497071 is about 6891.8118807756. The cubic root of 47497071 is about 362.1503780874.

The spelling of 47497071 in words is "forty-seven million, four hundred ninety-seven thousand, seventy-one".