71929316 has 6 divisors (see below), whose sum is σ = 125876310. Its totient is φ = 35964656.

The previous prime is 71929301. The next prime is 71929327. The reversal of 71929316 is 61392917.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 70728100 + 1201216 = 8410^2 + 1096^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 71929316.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8991161 + ... + 8991168.

It is an arithmetic number, because the mean of its divisors is an integer number (20979385).

Almost surely, 2^71929316 is an apocalyptic number.

It is an amenable number.

71929316 is a deficient number, since it is larger than the sum of its proper divisors (53946994).

71929316 is a wasteful number, since it uses less digits than its factorization.

71929316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17982333 (or 17982331 counting only the distinct ones).

The product of its digits is 20412, while the sum is 38.

The square root of 71929316 is about 8481.1152568515. The cubic root of 71929316 is about 415.8805824021.

The spelling of 71929316 in words is "seventy-one million, nine hundred twenty-nine thousand, three hundred sixteen".