65760740 has 12 divisors (see below), whose sum is σ = 138097596. Its totient is φ = 26304288.

The previous prime is 65760733. The next prime is 65760769. The reversal of 65760740 is 4706756.

It can be written as a sum of positive squares in 2 ways, for example, as 21031396 + 44729344 = 4586^2 + 6688^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65760740.

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 3 ways as a sum of consecutive naturals, for example, 1643999 + ... + 1644038.

It is an arithmetic number, because the mean of its divisors is an integer number (11508133).

Almost surely, 2^65760740 is an apocalyptic number.

It is an amenable number.

65760740 is an abundant number, since it is smaller than the sum of its proper divisors (72336856).

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

65760740 is a wasteful number, since it uses less digits than its factorization.

65760740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3288046 (or 3288044 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 65760740 is about 8109.2995998421. The cubic root of 65760740 is about 403.6350738597.

The spelling of 65760740 in words is "sixty-five million, seven hundred sixty thousand, seven hundred forty".