65374739 has 4 divisors (see below), whose sum is σ = 65415624. Its totient is φ = 65333856.

The previous prime is 65374733. The next prime is 65374759. The reversal of 65374739 is 93747356.

65374739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 65374739 - 2⁴ = 65374723 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 65374739.

It is not an unprimeable number, because it can be changed into a prime (65374733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17942 + ... + 21275.

It is an arithmetic number, because the mean of its divisors is an integer number (16353906).

Almost surely, 2^65374739 is an apocalyptic number.

65374739 is a deficient number, since it is larger than the sum of its proper divisors (40885).

65374739 is a wasteful number, since it uses less digits than its factorization.

65374739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40884.

The product of its digits is 476280, while the sum is 44.

The square root of 65374739 is about 8085.4646743400. The cubic root of 65374739 is about 402.8437740443.

The spelling of 65374739 in words is "sixty-five million, three hundred seventy-four thousand, seven hundred thirty-nine".