65074771 has 4 divisors (see below), whose sum is σ = 65361672. Its totient is φ = 64787872.

The previous prime is 65074769. The next prime is 65074777. The reversal of 65074771 is 17747056.

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 65074771 - 2¹ = 65074769 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 65074771.

It is not an unprimeable number, because it can be changed into a prime (65074777) 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, 143110 + ... + 143563.

It is an arithmetic number, because the mean of its divisors is an integer number (16340418).

Almost surely, 2^65074771 is an apocalyptic number.

65074771 is a deficient number, since it is larger than the sum of its proper divisors (286901).

65074771 is a wasteful number, since it uses less digits than its factorization.

65074771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286900.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 65074771 is about 8066.8935160940. The cubic root of 65074771 is about 402.2266879020.

The spelling of 65074771 in words is "sixty-five million, seventy-four thousand, seven hundred seventy-one".