65641274 has 8 divisors (see below), whose sum is σ = 98503968. Its totient is φ = 32806620.

The previous prime is 65641271. The next prime is 65641283. The reversal of 65641274 is 47214656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (65641271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419 + ... + 11465.

It is an arithmetic number, because the mean of its divisors is an integer number (12312996).

Almost surely, 2^65641274 is an apocalyptic number.

65641274 is a deficient number, since it is larger than the sum of its proper divisors (32862694).

65641274 is a wasteful number, since it uses less digits than its factorization.

65641274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14020.

The product of its digits is 40320, while the sum is 35.

The square root of 65641274 is about 8101.9302638322. The cubic root of 65641274 is about 403.3905008936.

The spelling of 65641274 in words is "sixty-five million, six hundred forty-one thousand, two hundred seventy-four".