65674231 has 8 divisors (see below), whose sum is σ = 76085024. Its totient is φ = 55520640.

The previous prime is 65674211. The next prime is 65674237. The reversal of 65674231 is 13247656.

It is a happy number.

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

It is not a de Polignac number, because 65674231 - 2²³ = 57285623 is a prime.

It is a super-2 number, since 2×65674231² = 8626209234882722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65674237) 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, 63750 + ... + 64771.

It is an arithmetic number, because the mean of its divisors is an integer number (9510628).

Almost surely, 2^65674231 is an apocalyptic number.

65674231 is a deficient number, since it is larger than the sum of its proper divisors (10410793).

65674231 is a wasteful number, since it uses less digits than its factorization.

65674231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128601.

The product of its digits is 30240, while the sum is 34.

The square root of 65674231 is about 8103.9639066324. The cubic root of 65674231 is about 403.4580006824.

The spelling of 65674231 in words is "sixty-five million, six hundred seventy-four thousand, two hundred thirty-one".