68590944 has 36 divisors (see below), whose sum is σ = 195056316. Its totient is φ = 22863552.

The previous prime is 68590943. The next prime is 68590967. The reversal of 68590944 is 44909586.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×68590944² = 9409435197622272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68590944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68590943) 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 5 ways as a sum of consecutive naturals, for example, 118794 + ... + 119369.

It is an arithmetic number, because the mean of its divisors is an integer number (5418231).

Almost surely, 2^68590944 is an apocalyptic number.

It is an amenable number.

68590944 is an abundant number, since it is smaller than the sum of its proper divisors (126465372).

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

68590944 is a wasteful number, since it uses less digits than its factorization.

68590944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238179 (or 238168 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 68590944 is about 8281.9649842293. The cubic root of 68590944 is about 409.3444690165.

The spelling of 68590944 in words is "sixty-eight million, five hundred ninety thousand, nine hundred forty-four".