69960971 has 2 divisors, whose sum is σ = 69960972. Its totient is φ = 69960970.

The previous prime is 69960881. The next prime is 69960977. The reversal of 69960971 is 17906996.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69960971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (69960977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34980485 + 34980486.

It is an arithmetic number, because the mean of its divisors is an integer number (34980486).

Almost surely, 2^69960971 is an apocalyptic number.

69960971 is a deficient number, since it is larger than the sum of its proper divisors (1).

69960971 is an equidigital number, since it uses as much as digits as its factorization.

69960971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 69960971 is about 8364.2675112648. The cubic root of 69960971 is about 412.0519206725.

The spelling of 69960971 in words is "sixty-nine million, nine hundred sixty thousand, nine hundred seventy-one".