68024464225 has 9 divisors (see below), whose sum is σ = 84351952723. Its totient is φ = 54418528120.

The previous prime is 68024464201. The next prime is 68024464301. The reversal of 68024464225 is 52246442086.

The square root of 68024464225 is 260815.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 24488807121 + 43535657104 = 156489^2 + 208652^2 .

It is not a de Polignac number, because 68024464225 - 2⁷ = 68024464097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1277994 + ... + 1330156.

Almost surely, 2^68024464225 is an apocalyptic number.

68024464225 is the 260815-th square number.

68024464225 is the 130408-th centered octagonal number.

It is an amenable number.

68024464225 is a deficient number, since it is larger than the sum of its proper divisors (16327488498).

68024464225 is an frugal number, since it uses more digits than its factorization.

68024464225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104336 (or 52168 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 43.

The spelling of 68024464225 in words is "sixty-eight billion, twenty-four million, four hundred sixty-four thousand, two hundred twenty-five".