68551264 has 12 divisors (see below), whose sum is σ = 134960364. Its totient is φ = 34275616.

The previous prime is 68551253. The next prime is 68551267. The reversal of 68551264 is 46215586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68551267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071082 + ... + 1071145.

It is an arithmetic number, because the mean of its divisors is an integer number (11246697).

Almost surely, 2^68551264 is an apocalyptic number.

It is an amenable number.

68551264 is a deficient number, since it is larger than the sum of its proper divisors (66409100).

68551264 is a wasteful number, since it uses less digits than its factorization.

68551264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142237 (or 2142229 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 68551264 is about 8279.5690709118. The cubic root of 68551264 is about 409.2655182554.

The spelling of 68551264 in words is "sixty-eight million, five hundred fifty-one thousand, two hundred sixty-four".