65427693 has 4 divisors (see below), whose sum is σ = 87236928. Its totient is φ = 43618460.

The previous prime is 65427667. The next prime is 65427743. The reversal of 65427693 is 39672456.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65427693 - 2⁶ = 65427629 is a prime.

It is a super-3 number, since 3×65427693³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65427613) 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, 10904613 + ... + 10904618.

It is an arithmetic number, because the mean of its divisors is an integer number (21809232).

Almost surely, 2^65427693 is an apocalyptic number.

It is an amenable number.

65427693 is a deficient number, since it is larger than the sum of its proper divisors (21809235).

65427693 is a wasteful number, since it uses less digits than its factorization.

65427693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21809234.

The product of its digits is 272160, while the sum is 42.

The square root of 65427693 is about 8088.7386532141. The cubic root of 65427693 is about 402.9525134565.

The spelling of 65427693 in words is "sixty-five million, four hundred twenty-seven thousand, six hundred ninety-three".