65748961 has 4 divisors (see below), whose sum is σ = 66038832. Its totient is φ = 65459092.

The previous prime is 65748929. The next prime is 65748971. The reversal of 65748961 is 16984756.

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 65748961 - 2⁵ = 65748929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65748901) 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, 144595 + ... + 145048.

It is an arithmetic number, because the mean of its divisors is an integer number (16509708).

Almost surely, 2^65748961 is an apocalyptic number.

It is an amenable number.

65748961 is a deficient number, since it is larger than the sum of its proper divisors (289871).

65748961 is a wasteful number, since it uses less digits than its factorization.

65748961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289870.

The product of its digits is 362880, while the sum is 46.

The square root of 65748961 is about 8108.5733023757. The cubic root of 65748961 is about 403.6109728462.

The spelling of 65748961 in words is "sixty-five million, seven hundred forty-eight thousand, nine hundred sixty-one".