71485969 has 8 divisors (see below), whose sum is σ = 78133248. Its totient is φ = 65110080.

The previous prime is 71485963. The next prime is 71485979. The reversal of 71485969 is 96958417.

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 71485969 - 2⁹ = 71485457 is a prime.

It is a super-2 number, since 2×71485969² = 10220487527737922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71485963) 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, 67297 + ... + 68350.

It is an arithmetic number, because the mean of its divisors is an integer number (9766656).

Almost surely, 2^71485969 is an apocalyptic number.

It is an amenable number.

71485969 is a deficient number, since it is larger than the sum of its proper divisors (6647279).

71485969 is a wasteful number, since it uses less digits than its factorization.

71485969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135695.

The product of its digits is 544320, while the sum is 49.

The square root of 71485969 is about 8454.9375515139. The cubic root of 71485969 is about 415.0243736592.

The spelling of 71485969 in words is "seventy-one million, four hundred eighty-five thousand, nine hundred sixty-nine".