68953844 has 6 divisors (see below), whose sum is σ = 120669234. Its totient is φ = 34476920.

The previous prime is 68953837. The next prime is 68953847. The reversal of 68953844 is 44835986.

It can be written as a sum of positive squares in only one way, i.e., 35545444 + 33408400 = 5962^2 + 5780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68953847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8619227 + ... + 8619234.

It is an arithmetic number, because the mean of its divisors is an integer number (20111539).

Almost surely, 2^68953844 is an apocalyptic number.

It is an amenable number.

68953844 is a deficient number, since it is larger than the sum of its proper divisors (51715390).

68953844 is a wasteful number, since it uses less digits than its factorization.

68953844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17238465 (or 17238463 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The square root of 68953844 is about 8303.8451334307. The cubic root of 68953844 is about 410.0651175573.

The spelling of 68953844 in words is "sixty-eight million, nine hundred fifty-three thousand, eight hundred forty-four".