71431214 has 8 divisors (see below), whose sum is σ = 107201880. Its totient is φ = 35697256.

The previous prime is 71431207. The next prime is 71431253. The reversal of 71431214 is 41213417.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 71431214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3644 + ... + 12495.

It is an arithmetic number, because the mean of its divisors is an integer number (13400235).

Almost surely, 2^71431214 is an apocalyptic number.

71431214 is a deficient number, since it is larger than the sum of its proper divisors (35770666).

71431214 is a wasteful number, since it uses less digits than its factorization.

71431214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18354.

The product of its digits is 672, while the sum is 23.

The square root of 71431214 is about 8451.6988824733. The cubic root of 71431214 is about 414.9183833304.

The spelling of 71431214 in words is "seventy-one million, four hundred thirty-one thousand, two hundred fourteen".