67590361 has 2 divisors, whose sum is σ = 67590362. Its totient is φ = 67590360.

The previous prime is 67590359. The next prime is 67590373. The reversal of 67590361 is 16309576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66324736 + 1265625 = 8144^2 + 1125^2 .

It is a cyclic number.

It is not a de Polignac number, because 67590361 - 2¹ = 67590359 is a prime.

It is a super-2 number, since 2×67590361² = 9136913800220642, which contains 22 as substring.

Together with 67590359, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 67590361.

It is not a weakly prime, because it can be changed into another prime (67590301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33795180 + 33795181.

It is an arithmetic number, because the mean of its divisors is an integer number (33795181).

Almost surely, 2^67590361 is an apocalyptic number.

It is an amenable number.

67590361 is a deficient number, since it is larger than the sum of its proper divisors (1).

67590361 is an equidigital number, since it uses as much as digits as its factorization.

67590361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 67590361 is about 8221.3357187260. The cubic root of 67590361 is about 407.3442485056.

The spelling of 67590361 in words is "sixty-seven million, five hundred ninety thousand, three hundred sixty-one".