65695437 has 6 divisors (see below), whose sum is σ = 94893422. Its totient is φ = 43796952.

The previous prime is 65695367. The next prime is 65695447. The reversal of 65695437 is 73459656.

65695437 is a `hidden beast` number, since 6 + 569 + 54 + 37 = 666.

It can be written as a sum of positive squares in only one way, i.e., 64979721 + 715716 = 8061^2 + 846^2 .

It is not a de Polignac number, because 65695437 - 2⁸ = 65695181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65695392 and 65695401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65695447) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3649738 + ... + 3649755.

Almost surely, 2^65695437 is an apocalyptic number.

It is an amenable number.

65695437 is a deficient number, since it is larger than the sum of its proper divisors (29197985).

65695437 is a wasteful number, since it uses less digits than its factorization.

65695437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7299499 (or 7299496 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 65695437 is about 8105.2721730982. The cubic root of 65695437 is about 403.5014211104.

The spelling of 65695437 in words is "sixty-five million, six hundred ninety-five thousand, four hundred thirty-seven".