69140271 has 16 divisors (see below), whose sum is σ = 95051520. Its totient is φ = 44683200.

The previous prime is 69140237. The next prime is 69140299. The reversal of 69140271 is 17204196.

It is a happy number.

69140271 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 69140271 - 2¹³ = 69132079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69147271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10246 + ... + 15596.

It is an arithmetic number, because the mean of its divisors is an integer number (5940720).

Almost surely, 2^69140271 is an apocalyptic number.

69140271 is a deficient number, since it is larger than the sum of its proper divisors (25911249).

69140271 is a wasteful number, since it uses less digits than its factorization.

69140271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 69140271 is about 8315.0628981385. The cubic root of 69140271 is about 410.4343424043.

The spelling of 69140271 in words is "sixty-nine million, one hundred forty thousand, two hundred seventy-one".