67650901 has 2 divisors, whose sum is σ = 67650902. Its totient is φ = 67650900.

The previous prime is 67650899. The next prime is 67650923. The reversal of 67650901 is 10905676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42640900 + 25010001 = 6530^2 + 5001^2 .

It is a cyclic number.

It is not a de Polignac number, because 67650901 - 2¹ = 67650899 is a prime.

It is a super-2 number, since 2×67650901² = 9153288812223602, which contains 22 as substring.

Together with 67650899, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67650931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33825450 + 33825451.

It is an arithmetic number, because the mean of its divisors is an integer number (33825451).

Almost surely, 2^67650901 is an apocalyptic number.

It is an amenable number.

67650901 is a deficient number, since it is larger than the sum of its proper divisors (1).

67650901 is an equidigital number, since it uses as much as digits as its factorization.

67650901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 67650901 is about 8225.0167780984. The cubic root of 67650901 is about 407.4658302487.

The spelling of 67650901 in words is "sixty-seven million, six hundred fifty thousand, nine hundred one".