68293224 has 24 divisors (see below), whose sum is σ = 184961010. Its totient is φ = 22764384.

The previous prime is 68293219. The next prime is 68293237. The reversal of 68293224 is 42239286.

It can be written as a sum of positive squares in only one way, i.e., 66096900 + 2196324 = 8130^2 + 1482^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

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, 474187 + ... + 474330.

Almost surely, 2^68293224 is an apocalyptic number.

It is an amenable number.

68293224 is an abundant number, since it is smaller than the sum of its proper divisors (116667786).

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

68293224 is a wasteful number, since it uses less digits than its factorization.

68293224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948529 (or 948522 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 68293224 is about 8263.9714423514. The cubic root of 68293224 is about 408.7513548197.

The spelling of 68293224 in words is "sixty-eight million, two hundred ninety-three thousand, two hundred twenty-four".