70205701 has 4 divisors (see below), whose sum is σ = 70849900. Its totient is φ = 69561504.

The previous prime is 70205689. The next prime is 70205743. The reversal of 70205701 is 10750207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10750207 = 13 ⋅826939.

It can be written as a sum of positive squares in 2 ways, for example, as 19368801 + 50836900 = 4401^2 + 7130^2 .

It is a cyclic number.

It is not a de Polignac number, because 70205701 - 2⁷ = 70205573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70205501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321936 + ... + 322153.

It is an arithmetic number, because the mean of its divisors is an integer number (17712475).

Almost surely, 2^70205701 is an apocalyptic number.

It is an amenable number.

70205701 is a deficient number, since it is larger than the sum of its proper divisors (644199).

70205701 is a wasteful number, since it uses less digits than its factorization.

70205701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644198.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 70205701 is about 8378.8842335958. The cubic root of 70205701 is about 412.5318268678.

Adding to 70205701 its reverse (10750207), we get a palindrome (80955908).

It can be divided in two parts, 7020 and 5701, that added together give a palindrome (12721).

The spelling of 70205701 in words is "seventy million, two hundred five thousand, seven hundred one".