67949093 has 2 divisors, whose sum is σ = 67949094. Its totient is φ = 67949092.

The previous prime is 67949081. The next prime is 67949099. The reversal of 67949093 is 39094976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66863329 + 1085764 = 8177^2 + 1042^2 .

It is a cyclic number.

It is not a de Polignac number, because 67949093 - 2¹² = 67944997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67949099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33974546 + 33974547.

It is an arithmetic number, because the mean of its divisors is an integer number (33974547).

Almost surely, 2^67949093 is an apocalyptic number.

It is an amenable number.

67949093 is a deficient number, since it is larger than the sum of its proper divisors (1).

67949093 is an equidigital number, since it uses as much as digits as its factorization.

67949093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 67949093 is about 8243.1239830540. The cubic root of 67949093 is about 408.0636294617.

The spelling of 67949093 in words is "sixty-seven million, nine hundred forty-nine thousand, ninety-three".