65711470 has 32 divisors (see below), whose sum is σ = 130126176. Its totient is φ = 23890240.

The previous prime is 65711453. The next prime is 65711491. The reversal of 65711470 is 7411756.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10842 + ... + 15778.

It is an arithmetic number, because the mean of its divisors is an integer number (4066443).

Almost surely, 2^65711470 is an apocalyptic number.

65711470 is a deficient number, since it is larger than the sum of its proper divisors (64414706).

65711470 is a wasteful number, since it uses less digits than its factorization.

65711470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4977 (or 4955 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 65711470 is about 8106.2611603624. The cubic root of 65711470 is about 403.5342433396.

The spelling of 65711470 in words is "sixty-five million, seven hundred eleven thousand, four hundred seventy".