69974087 has 2 divisors, whose sum is σ = 69974088. Its totient is φ = 69974086.

The previous prime is 69974083. The next prime is 69974089. The reversal of 69974087 is 78047996.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69974087 - 2² = 69974083 is a prime.

Together with 69974089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69974081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34987043 + 34987044.

It is an arithmetic number, because the mean of its divisors is an integer number (34987044).

Almost surely, 2^69974087 is an apocalyptic number.

69974087 is a deficient number, since it is larger than the sum of its proper divisors (1).

69974087 is an equidigital number, since it uses as much as digits as its factorization.

69974087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 69974087 is about 8365.0515240493. The cubic root of 69974087 is about 412.0776690063.

The spelling of 69974087 in words is "sixty-nine million, nine hundred seventy-four thousand, eighty-seven".