71497316 has 24 divisors (see below), whose sum is σ = 136770816. Its totient is φ = 32433120.

The previous prime is 71497289. The next prime is 71497331. The reversal of 71497316 is 61379417.

It is a super-3 number, since 3×71497316³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 71497316.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25370 + ... + 28046.

It is an arithmetic number, because the mean of its divisors is an integer number (5698784).

Almost surely, 2^71497316 is an apocalyptic number.

It is an amenable number.

71497316 is a deficient number, since it is larger than the sum of its proper divisors (65273500).

71497316 is a wasteful number, since it uses less digits than its factorization.

71497316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299 (or 3297 counting only the distinct ones).

The product of its digits is 31752, while the sum is 38.

The square root of 71497316 is about 8455.6085529074. The cubic root of 71497316 is about 415.0463314992.

The spelling of 71497316 in words is "seventy-one million, four hundred ninety-seven thousand, three hundred sixteen".