67000949 has 2 divisors, whose sum is σ = 67000950. Its totient is φ = 67000948.

The previous prime is 67000937. The next prime is 67000963. The reversal of 67000949 is 94900076.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66994225 + 6724 = 8185^2 + 82^2 .

It is a cyclic number.

It is not a de Polignac number, because 67000949 - 2⁸ = 67000693 is a prime.

It is equal to p_3951818 and since 67000949 and 3951818 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67000049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33500474 + 33500475.

It is an arithmetic number, because the mean of its divisors is an integer number (33500475).

Almost surely, 2^67000949 is an apocalyptic number.

It is an amenable number.

67000949 is a deficient number, since it is larger than the sum of its proper divisors (1).

67000949 is an equidigital number, since it uses as much as digits as its factorization.

67000949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 67000949 is about 8185.4107410685. The cubic root of 67000949 is about 406.1567276520.

The spelling of 67000949 in words is "sixty-seven million, nine hundred forty-nine", and thus it is an aban number.