65995793 has 12 divisors (see below), whose sum is σ = 69139980. Its totient is φ = 62985216.

The previous prime is 65995747. The next prime is 65995837. The reversal of 65995793 is 39759956.

It can be written as a sum of positive squares in 6 ways, for example, as 2999824 + 62995969 = 1732^2 + 7937^2 .

It is not a de Polignac number, because 65995793 - 2⁸ = 65995537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65995703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81173 + ... + 81981.

It is an arithmetic number, because the mean of its divisors is an integer number (5761665).

Almost surely, 2^65995793 is an apocalyptic number.

It is an amenable number.

65995793 is a deficient number, since it is larger than the sum of its proper divisors (3144187).

65995793 is an equidigital number, since it uses as much as digits as its factorization.

65995793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 935 counting only the distinct ones).

The product of its digits is 2296350, while the sum is 53.

The square root of 65995793 is about 8123.7794775585. The cubic root of 65995793 is about 404.1154152652.

The spelling of 65995793 in words is "sixty-five million, nine hundred ninety-five thousand, seven hundred ninety-three".