71631214 has 8 divisors (see below), whose sum is σ = 107523000. Its totient is φ = 35790216.

The previous prime is 71631211. The next prime is 71631227. The reversal of 71631214 is 41213617.

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

It is a super-2 number, since 2×71631214² = 10262061638227592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71631211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8949 + ... + 14944.

It is an arithmetic number, because the mean of its divisors is an integer number (13440375).

Almost surely, 2^71631214 is an apocalyptic number.

71631214 is a deficient number, since it is larger than the sum of its proper divisors (35891786).

71631214 is a wasteful number, since it uses less digits than its factorization.

71631214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25394.

The product of its digits is 1008, while the sum is 25.

The square root of 71631214 is about 8463.5225526964. The cubic root of 71631214 is about 415.3052653096.

The spelling of 71631214 in words is "seventy-one million, six hundred thirty-one thousand, two hundred fourteen".