71065051 has 16 divisors (see below), whose sum is σ = 76573440. Its totient is φ = 65802240.

The previous prime is 71065039. The next prime is 71065067. The reversal of 71065051 is 15056017.

It is a cyclic number.

It is not a de Polignac number, because 71065051 - 2⁵ = 71065019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71065021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122875 + ... + 123451.

It is an arithmetic number, because the mean of its divisors is an integer number (4785840).

Almost surely, 2^71065051 is an apocalyptic number.

71065051 is a deficient number, since it is larger than the sum of its proper divisors (5508389).

71065051 is a wasteful number, since it uses less digits than its factorization.

71065051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 71065051 is about 8430.0089561044. The cubic root of 71065051 is about 414.2081984692.

The spelling of 71065051 in words is "seventy-one million, sixty-five thousand, fifty-one".