65874646 has 16 divisors (see below), whose sum is σ = 100122624. Its totient is φ = 32503464.

The previous prime is 65874637. The next prime is 65874649. The reversal of 65874646 is 64647856.

It is a junction number, because it is equal to n+sod(n) for n = 65874596 and 65874605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65874649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56061 + ... + 57223.

It is an arithmetic number, because the mean of its divisors is an integer number (6257664).

Almost surely, 2^65874646 is an apocalyptic number.

65874646 is a deficient number, since it is larger than the sum of its proper divisors (34247978).

65874646 is a wasteful number, since it uses less digits than its factorization.

65874646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515.

The product of its digits is 967680, while the sum is 46.

The square root of 65874646 is about 8116.3197324896. The cubic root of 65874646 is about 403.8679885974.

The spelling of 65874646 in words is "sixty-five million, eight hundred seventy-four thousand, six hundred forty-six".