70379663 has 2 divisors, whose sum is σ = 70379664. Its totient is φ = 70379662.

The previous prime is 70379627. The next prime is 70379669. The reversal of 70379663 is 36697307.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70379663 - 2¹⁰ = 70378639 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70379663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70379669) 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, 35189831 + 35189832.

It is an arithmetic number, because the mean of its divisors is an integer number (35189832).

Almost surely, 2^70379663 is an apocalyptic number.

70379663 is a deficient number, since it is larger than the sum of its proper divisors (1).

70379663 is an equidigital number, since it uses as much as digits as its factorization.

70379663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 41.

The square root of 70379663 is about 8389.2587872827. The cubic root of 70379663 is about 412.8722819732.

The spelling of 70379663 in words is "seventy million, three hundred seventy-nine thousand, six hundred sixty-three".