65893768 has 32 divisors (see below), whose sum is σ = 131195160. Its totient is φ = 30919680.

The previous prime is 65893739. The next prime is 65893769. The reversal of 65893768 is 86739856.

It can be written as a sum of positive squares in 4 ways, for example, as 62441604 + 3452164 = 7902^2 + 1858^2 .

It is a super-2 number, since 2×65893768² = 8683977322475648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65893769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89530 + ... + 90262.

Almost surely, 2^65893768 is an apocalyptic number.

65893768 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

65893768 is a deficient number, since it is larger than the sum of its proper divisors (65301392).

65893768 is a wasteful number, since it uses less digits than its factorization.

65893768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1413 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 65893768 is about 8117.4976439787. The cubic root of 65893768 is about 403.9070628950.

The spelling of 65893768 in words is "sixty-five million, eight hundred ninety-three thousand, seven hundred sixty-eight".