71054067 has 24 divisors (see below), whose sum is σ = 116693136. Its totient is φ = 38212608.

The previous prime is 71054063. The next prime is 71054069. The reversal of 71054067 is 76045017.

It is a happy number.

It is not a de Polignac number, because 71054067 - 2² = 71054063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71054063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11718 + ... + 16715.

It is an arithmetic number, because the mean of its divisors is an integer number (4862214).

Almost surely, 2^71054067 is an apocalyptic number.

71054067 is a deficient number, since it is larger than the sum of its proper divisors (45639069).

71054067 is a wasteful number, since it uses less digits than its factorization.

71054067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28467 (or 28460 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 71054067 is about 8429.3574488214. The cubic root of 71054067 is about 414.1868570025.

The spelling of 71054067 in words is "seventy-one million, fifty-four thousand, sixty-seven".