67098971 has 2 divisors, whose sum is σ = 67098972. Its totient is φ = 67098970.

The previous prime is 67098931. The next prime is 67098991. The reversal of 67098971 is 17989076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67098971 - 2⁶ = 67098907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67098931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33549485 + 33549486.

It is an arithmetic number, because the mean of its divisors is an integer number (33549486).

Almost surely, 2^67098971 is an apocalyptic number.

67098971 is a deficient number, since it is larger than the sum of its proper divisors (1).

67098971 is an equidigital number, since it uses as much as digits as its factorization.

67098971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 67098971 is about 8191.3961569442. The cubic root of 67098971 is about 406.3546994522.

The spelling of 67098971 in words is "sixty-seven million, ninety-eight thousand, nine hundred seventy-one".