71432706 has 16 divisors (see below), whose sum is σ = 142990848. Its totient is φ = 23790000.

The previous prime is 71432693. The next prime is 71432707. The reversal of 71432706 is 60723417.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71432707) 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, 3231 + ... + 12381.

It is an arithmetic number, because the mean of its divisors is an integer number (8936928).

Almost surely, 2^71432706 is an apocalyptic number.

71432706 is an abundant number, since it is smaller than the sum of its proper divisors (71558142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71432706 is a wasteful number, since it uses less digits than its factorization.

71432706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10457.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 71432706 is about 8451.7871482900. The cubic root of 71432706 is about 414.9212721418.

The spelling of 71432706 in words is "seventy-one million, four hundred thirty-two thousand, seven hundred six".