71446716 has 72 divisors (see below), whose sum is σ = 208628784. Its totient is φ = 20375040.

The previous prime is 71446709. The next prime is 71446729. The reversal of 71446716 is 61764417.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1426 + ... + 12038.

It is an arithmetic number, because the mean of its divisors is an integer number (2897622).

Almost surely, 2^71446716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71446716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104314392).

71446716 is an abundant number, since it is smaller than the sum of its proper divisors (137182068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71446716 is a wasteful number, since it uses less digits than its factorization.

71446716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10651 (or 10646 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 71446716 is about 8452.6159264455. The cubic root of 71446716 is about 414.9483963512.

The spelling of 71446716 in words is "seventy-one million, four hundred forty-six thousand, seven hundred sixteen".