71269047 has 12 divisors (see below), whose sum is σ = 104887224. Its totient is φ = 46615920.

The previous prime is 71269021. The next prime is 71269063. The reversal of 71269047 is 74096217.

It is a happy number.

It is not a de Polignac number, because 71269047 - 2⁶ = 71268983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71269007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74229 + ... + 75182.

It is an arithmetic number, because the mean of its divisors is an integer number (8740602).

Almost surely, 2^71269047 is an apocalyptic number.

71269047 is a deficient number, since it is larger than the sum of its proper divisors (33618177).

71269047 is a wasteful number, since it uses less digits than its factorization.

71269047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149470 (or 149467 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 71269047 is about 8442.0996795821. The cubic root of 71269047 is about 414.6041553768.

The spelling of 71269047 in words is "seventy-one million, two hundred sixty-nine thousand, forty-seven".