70563671 has 2 divisors, whose sum is σ = 70563672. Its totient is φ = 70563670.

The previous prime is 70563653. The next prime is 70563677. The reversal of 70563671 is 17636507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70563671 - 2⁶ = 70563607 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 (70563677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35281835 + 35281836.

It is an arithmetic number, because the mean of its divisors is an integer number (35281836).

Almost surely, 2^70563671 is an apocalyptic number.

70563671 is a deficient number, since it is larger than the sum of its proper divisors (1).

70563671 is an equidigital number, since it uses as much as digits as its factorization.

70563671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 70563671 is about 8400.2185090627. The cubic root of 70563671 is about 413.2317877644.

The spelling of 70563671 in words is "seventy million, five hundred sixty-three thousand, six hundred seventy-one".