71718575 has 12 divisors (see below), whose sum is σ = 89181048. Its totient is φ = 57213600.

The previous prime is 71718547. The next prime is 71718589. The reversal of 71718575 is 57581717.

It is a happy number.

It is not a de Polignac number, because 71718575 - 2⁶ = 71718511 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5480 + ... + 13170.

It is an arithmetic number, because the mean of its divisors is an integer number (7431754).

Almost surely, 2^71718575 is an apocalyptic number.

71718575 is a deficient number, since it is larger than the sum of its proper divisors (17462473).

71718575 is a wasteful number, since it uses less digits than its factorization.

71718575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8074 (or 8069 counting only the distinct ones).

The product of its digits is 68600, while the sum is 41.

The square root of 71718575 is about 8468.6820107972. The cubic root of 71718575 is about 415.4740313251.

The spelling of 71718575 in words is "seventy-one million, seven hundred eighteen thousand, five hundred seventy-five".