67954220599225 has 45 divisors (see below), whose sum is σ = 88963968112287. Its totient is φ = 51490869119280.

The previous prime is 67954220599211. The next prime is 67954220599229. The reversal of 67954220599225 is 52299502245976.

The square root of 67954220599225 is 8243435.

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., 24463519415721 + 43490701183504 = 4946061^2 + 6594748^2 .

It is not a de Polignac number, because 67954220599225 - 2⁵ = 67954220599193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67954220599229) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 14879397892 + ... + 14879402458.

Almost surely, 2^{67954220599225} is an apocalyptic number.

67954220599225 is the 8243435-th square number.

67954220599225 is the 4121718-th centered octagonal number.

It is an amenable number.

67954220599225 is a deficient number, since it is larger than the sum of its proper divisors (21009747513062).

67954220599225 is an frugal number, since it uses more digits than its factorization.

67954220599225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9220 (or 4591 counting only the distinct ones).

The product of its (nonzero) digits is 244944000, while the sum is 67.

The spelling of 67954220599225 in words is "sixty-seven trillion, nine hundred fifty-four billion, two hundred twenty million, five hundred ninety-nine thousand, two hundred twenty-five".