69045071 has 4 divisors (see below), whose sum is σ = 70911192. Its totient is φ = 67178952.

The previous prime is 69045059. The next prime is 69045073. The reversal of 69045071 is 17054096.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69045071 - 2¹⁸ = 68782927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69045073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933005 + ... + 933078.

It is an arithmetic number, because the mean of its divisors is an integer number (17727798).

Almost surely, 2^69045071 is an apocalyptic number.

69045071 is a deficient number, since it is larger than the sum of its proper divisors (1866121).

69045071 is a wasteful number, since it uses less digits than its factorization.

69045071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866120.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 69045071 is about 8309.3363754273. The cubic root of 69045071 is about 410.2458786910.

The spelling of 69045071 in words is "sixty-nine million, forty-five thousand, seventy-one".