70835693 has 2 divisors, whose sum is σ = 70835694. Its totient is φ = 70835692.

The previous prime is 70835671. The next prime is 70835707. The reversal of 70835693 is 39653807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70190884 + 644809 = 8378^2 + 803^2 .

It is an emirp because it is prime and its reverse (39653807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70835693 - 2²⁰ = 69787117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70835693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70835593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35417846 + 35417847.

It is an arithmetic number, because the mean of its divisors is an integer number (35417847).

Almost surely, 2^70835693 is an apocalyptic number.

It is an amenable number.

70835693 is a deficient number, since it is larger than the sum of its proper divisors (1).

70835693 is an equidigital number, since it uses as much as digits as its factorization.

70835693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 70835693 is about 8416.3942992234. The cubic root of 70835693 is about 413.7621078776.

The spelling of 70835693 in words is "seventy million, eight hundred thirty-five thousand, six hundred ninety-three".