71716634 has 16 divisors (see below), whose sum is σ = 118497600. Its totient is φ = 32280960.

The previous prime is 71716607. The next prime is 71716637. The reversal of 71716634 is 43661717.

It is a junction number, because it is equal to n+sod(n) for n = 71716594 and 71716603.

It is not an unprimeable number, because it can be changed into a prime (71716637) 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, 13559 + ... + 18090.

It is an arithmetic number, because the mean of its divisors is an integer number (7406100).

Almost surely, 2^71716634 is an apocalyptic number.

71716634 is a deficient number, since it is larger than the sum of its proper divisors (46780966).

71716634 is a wasteful number, since it uses less digits than its factorization.

71716634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31765.

The product of its digits is 21168, while the sum is 35.

The square root of 71716634 is about 8468.5674113158. The cubic root of 71716634 is about 415.4702831452.

The spelling of 71716634 in words is "seventy-one million, seven hundred sixteen thousand, six hundred thirty-four".