71393716 has 12 divisors (see below), whose sum is σ = 131514880. Its totient is φ = 33818040.

The previous prime is 71393711. The next prime is 71393731. The reversal of 71393716 is 61739317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71393711) 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, 469620 + ... + 469771.

Almost surely, 2^71393716 is an apocalyptic number.

71393716 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

71393716 is a deficient number, since it is larger than the sum of its proper divisors (60121164).

71393716 is a wasteful number, since it uses less digits than its factorization.

71393716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939414 (or 939412 counting only the distinct ones).

The product of its digits is 23814, while the sum is 37.

The square root of 71393716 is about 8449.4802207000. The cubic root of 71393716 is about 414.8457664637.

The spelling of 71393716 in words is "seventy-one million, three hundred ninety-three thousand, seven hundred sixteen".