65068940 has 24 divisors (see below), whose sum is σ = 140339472. Its totient is φ = 25323840.

The previous prime is 65068937. The next prime is 65068943. The reversal of 65068940 is 4986056.

It is an interprime number because it is at equal distance from previous prime (65068937) and next prime (65068943).

It is a junction number, because it is equal to n+sod(n) for n = 65068894 and 65068903.

It is not an unprimeable number, because it can be changed into a prime (65068943) 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, 43226 + ... + 44705.

It is an arithmetic number, because the mean of its divisors is an integer number (5847478).

Almost surely, 2^65068940 is an apocalyptic number.

It is an amenable number.

65068940 is an abundant number, since it is smaller than the sum of its proper divisors (75270532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65068940 is a wasteful number, since it uses less digits than its factorization.

65068940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87977 (or 87975 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 65068940 is about 8066.5320925414. The cubic root of 65068940 is about 402.2146737536.

The spelling of 65068940 in words is "sixty-five million, sixty-eight thousand, nine hundred forty".