67579601 has 2 divisors, whose sum is σ = 67579602. Its totient is φ = 67579600.

The previous prime is 67579579. The next prime is 67579619. The reversal of 67579601 is 10697576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54037201 + 13542400 = 7351^2 + 3680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67579601 is a prime.

It is a super-3 number, since 3×67579601³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (67579901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33789800 + 33789801.

It is an arithmetic number, because the mean of its divisors is an integer number (33789801).

Almost surely, 2^67579601 is an apocalyptic number.

It is an amenable number.

67579601 is a deficient number, since it is larger than the sum of its proper divisors (1).

67579601 is an equidigital number, since it uses as much as digits as its factorization.

67579601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 67579601 is about 8220.6812978001. The cubic root of 67579601 is about 407.3226317314.

The spelling of 67579601 in words is "sixty-seven million, five hundred seventy-nine thousand, six hundred one".