71469764 has 6 divisors (see below), whose sum is σ = 125072094. Its totient is φ = 35734880.

The previous prime is 71469757. The next prime is 71469793. The reversal of 71469764 is 46796417.

It can be written as a sum of positive squares in only one way, i.e., 50694400 + 20775364 = 7120^2 + 4558^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8933717 + ... + 8933724.

It is an arithmetic number, because the mean of its divisors is an integer number (20845349).

Almost surely, 2^71469764 is an apocalyptic number.

It is an amenable number.

71469764 is a deficient number, since it is larger than the sum of its proper divisors (53602330).

71469764 is a wasteful number, since it uses less digits than its factorization.

71469764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17867445 (or 17867443 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 71469764 is about 8453.9791814269. The cubic root of 71469764 is about 414.9930109628.

The spelling of 71469764 in words is "seventy-one million, four hundred sixty-nine thousand, seven hundred sixty-four".