47971767 has 8 divisors (see below), whose sum is σ = 66743424. Its totient is φ = 30590648.

The previous prime is 47971753. The next prime is 47971793. The reversal of 47971767 is 76717974.

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

It is a cyclic number.

It is not a de Polignac number, because 47971767 - 2⁷ = 47971639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47971717) 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, 347553 + ... + 347690.

It is an arithmetic number, because the mean of its divisors is an integer number (8342928).

Almost surely, 2^47971767 is an apocalyptic number.

47971767 is a deficient number, since it is larger than the sum of its proper divisors (18771657).

47971767 is a wasteful number, since it uses less digits than its factorization.

47971767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695269.

The product of its digits is 518616, while the sum is 48.

The square root of 47971767 is about 6926.1653893045. The cubic root of 47971767 is about 363.3528507504.

The spelling of 47971767 in words is "forty-seven million, nine hundred seventy-one thousand, seven hundred sixty-seven".