65106740 has 24 divisors (see below), whose sum is σ = 141440040. Its totient is φ = 25144448.

The previous prime is 65106739. The next prime is 65106751. The reversal of 65106740 is 4760156.

It can be written as a sum of positive squares in 4 ways, for example, as 1170724 + 63936016 = 1082^2 + 7996^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55547 + ... + 56706.

It is an arithmetic number, because the mean of its divisors is an integer number (5893335).

Almost surely, 2^65106740 is an apocalyptic number.

It is an amenable number.

65106740 is an abundant number, since it is smaller than the sum of its proper divisors (76333300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65106740 is a wasteful number, since it uses less digits than its factorization.

65106740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112291 (or 112289 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 65106740 is about 8068.8747666574. The cubic root of 65106740 is about 402.2925438380.

Adding to 65106740 its reverse (4760156), we get a palindrome (69866896).

The spelling of 65106740 in words is "sixty-five million, one hundred six thousand, seven hundred forty".