71411967 has 12 divisors (see below), whose sum is σ = 112528104. Its totient is φ = 43279920.

The previous prime is 71411957. The next prime is 71411981. The reversal of 71411967 is 76911417.

It is not a de Polignac number, because 71411967 - 2⁶ = 71411903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71411927) 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, 360568 + ... + 360765.

It is an arithmetic number, because the mean of its divisors is an integer number (9377342).

Almost surely, 2^71411967 is an apocalyptic number.

71411967 is a deficient number, since it is larger than the sum of its proper divisors (41116137).

71411967 is a wasteful number, since it uses less digits than its factorization.

71411967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721350 (or 721347 counting only the distinct ones).

The product of its digits is 10584, while the sum is 36.

The square root of 71411967 is about 8450.5601589480. The cubic root of 71411967 is about 414.8811136689.

The spelling of 71411967 in words is "seventy-one million, four hundred eleven thousand, nine hundred sixty-seven".