65396768 has 24 divisors (see below), whose sum is σ = 129505068. Its totient is φ = 32506624.

The previous prime is 65396761. The next prime is 65396777. The reversal of 65396768 is 86769356.

It can be written as a sum of positive squares in 2 ways, for example, as 63170704 + 2226064 = 7948^2 + 1492^2 .

It is not an unprimeable number, because it can be changed into a prime (65396761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371 + ... + 11442.

Almost surely, 2^65396768 is an apocalyptic number.

It is an amenable number.

65396768 is a deficient number, since it is larger than the sum of its proper divisors (64108300).

65396768 is a wasteful number, since it uses less digits than its factorization.

65396768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11996 (or 11988 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 50.

The square root of 65396768 is about 8086.8268189692. The cubic root of 65396768 is about 402.8890170492.

The spelling of 65396768 in words is "sixty-five million, three hundred ninety-six thousand, seven hundred sixty-eight".