68023564 has 18 divisors (see below), whose sum is σ = 138476940. Its totient is φ = 29152872.

The previous prime is 68023513. The next prime is 68023597. The reversal of 68023564 is 46532086.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173334 + ... + 173725.

Almost surely, 2^68023564 is an apocalyptic number.

It is an amenable number.

68023564 is an abundant number, since it is smaller than the sum of its proper divisors (70453376).

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

68023564 is a wasteful number, since it uses less digits than its factorization.

68023564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347077 (or 347068 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 68023564 is about 8247.6399048455. The cubic root of 68023564 is about 408.2126518649.

The spelling of 68023564 in words is "sixty-eight million, twenty-three thousand, five hundred sixty-four".