71283297 has 8 divisors (see below), whose sum is σ = 97362720. Its totient is φ = 46363040.

The previous prime is 71283287. The next prime is 71283367. The reversal of 71283297 is 79238217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71283297 - 2¹⁰ = 71282273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71283287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289647 + ... + 289892.

It is an arithmetic number, because the mean of its divisors is an integer number (12170340).

Almost surely, 2^71283297 is an apocalyptic number.

It is an amenable number.

71283297 is a deficient number, since it is larger than the sum of its proper divisors (26079423).

71283297 is a wasteful number, since it uses less digits than its factorization.

71283297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579583.

The product of its digits is 42336, while the sum is 39.

The square root of 71283297 is about 8442.9436217471. The cubic root of 71283297 is about 414.6317864253.

The spelling of 71283297 in words is "seventy-one million, two hundred eighty-three thousand, two hundred ninety-seven".