65037968 has 10 divisors (see below), whose sum is σ = 126011094. Its totient is φ = 32518976.

The previous prime is 65037949. The next prime is 65037977. The reversal of 65037968 is 86973056.

It can be written as a sum of positive squares in only one way, i.e., 36820624 + 28217344 = 6068^2 + 5312^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2032421 + ... + 2032452.

Almost surely, 2^65037968 is an apocalyptic number.

It is an amenable number.

65037968 is a deficient number, since it is larger than the sum of its proper divisors (60973126).

65037968 is a wasteful number, since it uses less digits than its factorization.

65037968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064881 (or 4064875 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 65037968 is about 8064.6120799453. The cubic root of 65037968 is about 402.1508472442.

The spelling of 65037968 in words is "sixty-five million, thirty-seven thousand, nine hundred sixty-eight".