70696643 has 2 divisors, whose sum is σ = 70696644. Its totient is φ = 70696642.

The previous prime is 70696597. The next prime is 70696649. The reversal of 70696643 is 34669607.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70696643 - 2⁶ = 70696579 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70696643.

It is not a weakly prime, because it can be changed into another prime (70696649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35348321 + 35348322.

It is an arithmetic number, because the mean of its divisors is an integer number (35348322).

Almost surely, 2^70696643 is an apocalyptic number.

70696643 is a deficient number, since it is larger than the sum of its proper divisors (1).

70696643 is an equidigital number, since it uses as much as digits as its factorization.

70696643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 70696643 is about 8408.1295779739. The cubic root of 70696643 is about 413.4911930991.

The spelling of 70696643 in words is "seventy million, six hundred ninety-six thousand, six hundred forty-three".