70609967 has 2 divisors, whose sum is σ = 70609968. Its totient is φ = 70609966.

The previous prime is 70609927. The next prime is 70609991. The reversal of 70609967 is 76990607.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70609967 - 2¹⁰ = 70608943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70609927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35304983 + 35304984.

It is an arithmetic number, because the mean of its divisors is an integer number (35304984).

Almost surely, 2^70609967 is an apocalyptic number.

70609967 is a deficient number, since it is larger than the sum of its proper divisors (1).

70609967 is an equidigital number, since it uses as much as digits as its factorization.

70609967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 70609967 is about 8402.9736998279. The cubic root of 70609967 is about 413.3221401900.

The spelling of 70609967 in words is "seventy million, six hundred nine thousand, nine hundred sixty-seven".