65756738 has 8 divisors (see below), whose sum is σ = 98713740. Its totient is φ = 32852160.

The previous prime is 65756737. The next prime is 65756749. The reversal of 65756738 is 83765756.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65011969 + 744769 = 8063^2 + 863^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65756692 and 65756701.

It is not an unprimeable number, because it can be changed into a prime (65756737) 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, 9803 + ... + 15086.

Almost surely, 2^65756738 is an apocalyptic number.

65756738 is a deficient number, since it is larger than the sum of its proper divisors (32957002).

65756738 is a wasteful number, since it uses less digits than its factorization.

65756738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26212.

The product of its digits is 1058400, while the sum is 47.

The square root of 65756738 is about 8109.0528423485. The cubic root of 65756738 is about 403.6268856898.

The spelling of 65756738 in words is "sixty-five million, seven hundred fifty-six thousand, seven hundred thirty-eight".