65742687 has 12 divisors (see below), whose sum is σ = 95068584. Its totient is φ = 43779120.

The previous prime is 65742683. The next prime is 65742767. The reversal of 65742687 is 78624756.

It is not a de Polignac number, because 65742687 - 2² = 65742683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65742683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5512 + ... + 12722.

It is an arithmetic number, because the mean of its divisors is an integer number (7922382).

Almost surely, 2^65742687 is an apocalyptic number.

65742687 is a deficient number, since it is larger than the sum of its proper divisors (29325897).

65742687 is a wasteful number, since it uses less digits than its factorization.

65742687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8230 (or 8227 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 65742687 is about 8108.1864186759. The cubic root of 65742687 is about 403.5981344391.

It can be divided in two parts, 6574 and 2687, that added together give a cube (9261 = 21³).

The spelling of 65742687 in words is "sixty-five million, seven hundred forty-two thousand, six hundred eighty-seven".