68563424 has 24 divisors (see below), whose sum is σ = 139640760. Its totient is φ = 33099136.

The previous prime is 68563423. The next prime is 68563433. The reversal of 68563424 is 42436586.

It is a super-2 number, since 2×68563424² = 9401886221207552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68563421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36014 + ... + 37869.

It is an arithmetic number, because the mean of its divisors is an integer number (5818365).

Almost surely, 2^68563424 is an apocalyptic number.

It is an amenable number.

68563424 is an abundant number, since it is smaller than the sum of its proper divisors (71077336).

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

68563424 is a wasteful number, since it uses less digits than its factorization.

68563424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73922 (or 73914 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 68563424 is about 8280.3033760847. The cubic root of 68563424 is about 409.2897160804.

The spelling of 68563424 in words is "sixty-eight million, five hundred sixty-three thousand, four hundred twenty-four".