67245889 has 2 divisors, whose sum is σ = 67245890. Its totient is φ = 67245888.

The previous prime is 67245869. The next prime is 67245917. The reversal of 67245889 is 98854276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33837489 + 33408400 = 5817^2 + 5780^2 .

It is a cyclic number.

It is not a de Polignac number, because 67245889 - 2⁹ = 67245377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67245839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33622944 + 33622945.

It is an arithmetic number, because the mean of its divisors is an integer number (33622945).

Almost surely, 2^67245889 is an apocalyptic number.

It is an amenable number.

67245889 is a deficient number, since it is larger than the sum of its proper divisors (1).

67245889 is an equidigital number, since it uses as much as digits as its factorization.

67245889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 49.

The square root of 67245889 is about 8200.3590775039. The cubic root of 67245889 is about 406.6510641540.

The spelling of 67245889 in words is "sixty-seven million, two hundred forty-five thousand, eight hundred eighty-nine".