65739105 has 24 divisors (see below), whose sum is σ = 114160488. Its totient is φ = 34995456.

The previous prime is 65739103. The next prime is 65739161. The reversal of 65739105 is 50193756.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31270464 + 34468641 = 5592^2 + 5871^2 .

It is not a de Polignac number, because 65739105 - 2¹ = 65739103 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65739105.

It is not an unprimeable number, because it can be changed into a prime (65739103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31989 + ... + 33981.

It is an arithmetic number, because the mean of its divisors is an integer number (4756687).

Almost surely, 2^65739105 is an apocalyptic number.

It is an amenable number.

65739105 is a deficient number, since it is larger than the sum of its proper divisors (48421383).

65739105 is a wasteful number, since it uses less digits than its factorization.

65739105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737 (or 2734 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 65739105 is about 8107.9655278004. The cubic root of 65739105 is about 403.5908042713.

The spelling of 65739105 in words is "sixty-five million, seven hundred thirty-nine thousand, one hundred five".