71867465 has 16 divisors (see below), whose sum is σ = 90236160. Its totient is φ = 54890880.

The previous prime is 71867441. The next prime is 71867473. The reversal of 71867465 is 56476817.

It is a de Polignac number, because none of the positive numbers 2^k-71867465 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5906 + ... + 13364.

It is an arithmetic number, because the mean of its divisors is an integer number (5639760).

Almost surely, 2^71867465 is an apocalyptic number.

It is an amenable number.

71867465 is a deficient number, since it is larger than the sum of its proper divisors (18368695).

71867465 is a wasteful number, since it uses less digits than its factorization.

71867465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7552.

The product of its digits is 282240, while the sum is 44.

The square root of 71867465 is about 8477.4680772032. The cubic root of 71867465 is about 415.7613449446.

The spelling of 71867465 in words is "seventy-one million, eight hundred sixty-seven thousand, four hundred sixty-five".