65751737 has 2 divisors, whose sum is σ = 65751738. Its totient is φ = 65751736.

The previous prime is 65751683. The next prime is 65751769. The reversal of 65751737 is 73715756.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40309801 + 25441936 = 6349^2 + 5044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65751737 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 65751694 and 65751703.

It is not a weakly prime, because it can be changed into another prime (65751797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32875868 + 32875869.

It is an arithmetic number, because the mean of its divisors is an integer number (32875869).

Almost surely, 2^65751737 is an apocalyptic number.

It is an amenable number.

65751737 is a deficient number, since it is larger than the sum of its proper divisors (1).

65751737 is an equidigital number, since it uses as much as digits as its factorization.

65751737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 154350, while the sum is 41.

The square root of 65751737 is about 8108.7444774145. The cubic root of 65751737 is about 403.6166530794.

Adding to 65751737 its sum of digits (41), we get a triangular number (65751778 = T₁₁₄₆₇).

The spelling of 65751737 in words is "sixty-five million, seven hundred fifty-one thousand, seven hundred thirty-seven".