68007224 has 8 divisors (see below), whose sum is σ = 127513560. Its totient is φ = 34003608.

The previous prime is 68007223. The next prime is 68007227. The reversal of 68007224 is 42270086.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68007223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4250444 + ... + 4250459.

It is an arithmetic number, because the mean of its divisors is an integer number (15939195).

Almost surely, 2^68007224 is an apocalyptic number.

It is an amenable number.

68007224 is a deficient number, since it is larger than the sum of its proper divisors (59506336).

68007224 is a wasteful number, since it uses less digits than its factorization.

68007224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8500909 (or 8500905 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 68007224 is about 8246.6492589415. The cubic root of 68007224 is about 408.1799635409.

The spelling of 68007224 in words is "sixty-eight million, seven thousand, two hundred twenty-four".