71377316 has 6 divisors (see below), whose sum is σ = 124910310. Its totient is φ = 35688656.

The previous prime is 71377309. The next prime is 71377321. The reversal of 71377316 is 61377317.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 52852900 + 18524416 = 7270^2 + 4304^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8922161 + ... + 8922168.

It is an arithmetic number, because the mean of its divisors is an integer number (20818385).

Almost surely, 2^71377316 is an apocalyptic number.

It is an amenable number.

71377316 is a deficient number, since it is larger than the sum of its proper divisors (53532994).

71377316 is a wasteful number, since it uses less digits than its factorization.

71377316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17844333 (or 17844331 counting only the distinct ones).

The product of its digits is 18522, while the sum is 35.

The square root of 71377316 is about 8448.5096910639. The cubic root of 71377316 is about 414.8139990012.

Subtracting from 71377316 its reverse (61377317), we obtain a palindrome (9999999).

The spelling of 71377316 in words is "seventy-one million, three hundred seventy-seven thousand, three hundred sixteen".