70199663 has 2 divisors, whose sum is σ = 70199664. Its totient is φ = 70199662.

The previous prime is 70199659. The next prime is 70199671. The reversal of 70199663 is 36699107.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70199663 - 2² = 70199659 is a prime.

It is a Sophie Germain 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 70199663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70199603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35099831 + 35099832.

It is an arithmetic number, because the mean of its divisors is an integer number (35099832).

Almost surely, 2^70199663 is an apocalyptic number.

70199663 is a deficient number, since it is larger than the sum of its proper divisors (1).

70199663 is an equidigital number, since it uses as much as digits as its factorization.

70199663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 70199663 is about 8378.5239153445. The cubic root of 70199663 is about 412.5200000098.

The spelling of 70199663 in words is "seventy million, one hundred ninety-nine thousand, six hundred sixty-three".