70810973 has 2 divisors, whose sum is σ = 70810974. Its totient is φ = 70810972.

The previous prime is 70810931. The next prime is 70810979. The reversal of 70810973 is 37901807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51079609 + 19731364 = 7147^2 + 4442^2 .

It is a cyclic number.

It is not a de Polignac number, because 70810973 - 2²⁰ = 69762397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70810979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35405486 + 35405487.

It is an arithmetic number, because the mean of its divisors is an integer number (35405487).

Almost surely, 2^70810973 is an apocalyptic number.

It is an amenable number.

70810973 is a deficient number, since it is larger than the sum of its proper divisors (1).

70810973 is an equidigital number, since it uses as much as digits as its factorization.

70810973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 70810973 is about 8414.9256087027. The cubic root of 70810973 is about 413.7139711784.

The spelling of 70810973 in words is "seventy million, eight hundred ten thousand, nine hundred seventy-three".