69660271 has 12 divisors (see below), whose sum is σ = 75816720. Its totient is φ = 63952640.

The previous prime is 69660257. The next prime is 69660277. The reversal of 69660271 is 17206696.

It is not a de Polignac number, because 69660271 - 2²³ = 61271663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69660271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69660277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8910 + ... + 14788.

It is an arithmetic number, because the mean of its divisors is an integer number (6318060).

Almost surely, 2^69660271 is an apocalyptic number.

69660271 is a deficient number, since it is larger than the sum of its proper divisors (6156449).

69660271 is a wasteful number, since it uses less digits than its factorization.

69660271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5954 (or 5937 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 69660271 is about 8346.2728807534. The cubic root of 69660271 is about 411.4607245928.

The spelling of 69660271 in words is "sixty-nine million, six hundred sixty thousand, two hundred seventy-one".