65836749 has 16 divisors (see below), whose sum is σ = 96715584. Its totient is φ = 39504000.

The previous prime is 65836747. The next prime is 65836753. The reversal of 65836749 is 94763856.

It is not a de Polignac number, because 65836749 - 2¹ = 65836747 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 65836698 and 65836707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65836747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6544 + ... + 13209.

It is an arithmetic number, because the mean of its divisors is an integer number (6044724).

Almost surely, 2^65836749 is an apocalyptic number.

It is an amenable number.

65836749 is a deficient number, since it is larger than the sum of its proper divisors (30878835).

65836749 is a wasteful number, since it uses less digits than its factorization.

65836749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19868.

The product of its digits is 1088640, while the sum is 48.

The square root of 65836749 is about 8113.9847793794. The cubic root of 65836749 is about 403.7905267208.

The spelling of 65836749 in words is "sixty-five million, eight hundred thirty-six thousand, seven hundred forty-nine".