70935973 has 2 divisors, whose sum is σ = 70935974. Its totient is φ = 70935972.

The previous prime is 70935961. The next prime is 70935989. The reversal of 70935973 is 37953907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35497764 + 35438209 = 5958^2 + 5953^2 .

It is a cyclic number.

It is not a de Polignac number, because 70935973 - 2⁵ = 70935941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70935913) 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, 35467986 + 35467987.

It is an arithmetic number, because the mean of its divisors is an integer number (35467987).

Almost surely, 2^70935973 is an apocalyptic number.

It is an amenable number.

70935973 is a deficient number, since it is larger than the sum of its proper divisors (1).

70935973 is an equidigital number, since it uses as much as digits as its factorization.

70935973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 178605, while the sum is 43.

The square root of 70935973 is about 8422.3496127862. The cubic root of 70935973 is about 413.9572660816.

The spelling of 70935973 in words is "seventy million, nine hundred thirty-five thousand, nine hundred seventy-three".