67224560401 has 4 divisors (see below), whose sum is σ = 67474466100. Its totient is φ = 66974654704.

The previous prime is 67224560399. The next prime is 67224560423. The reversal of 67224560401 is 10406542276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34382059776 + 32842500625 = 185424^2 + 181225^2 .

It is a cyclic number.

It is not a de Polignac number, because 67224560401 - 2¹ = 67224560399 is a prime.

It is a super-2 number, since 2×67224560401² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67224560441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124952446 + ... + 124952983.

It is an arithmetic number, because the mean of its divisors is an integer number (16868616525).

Almost surely, 2^67224560401 is an apocalyptic number.

It is an amenable number.

67224560401 is a deficient number, since it is larger than the sum of its proper divisors (249905699).

67224560401 is a wasteful number, since it uses less digits than its factorization.

67224560401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249905698.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 67224560401 in words is "sixty-seven billion, two hundred twenty-four million, five hundred sixty thousand, four hundred one".