70202105 has 4 divisors (see below), whose sum is σ = 84242532. Its totient is φ = 56161680.

The previous prime is 70202087. The next prime is 70202107. The reversal of 70202105 is 50120207.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38987536 + 31214569 = 6244^2 + 5587^2 .

It is not a de Polignac number, because 70202105 - 2²⁶ = 3093241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70202107) 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, 7020206 + ... + 7020215.

It is an arithmetic number, because the mean of its divisors is an integer number (21060633).

Almost surely, 2^70202105 is an apocalyptic number.

It is an amenable number.

70202105 is a deficient number, since it is larger than the sum of its proper divisors (14040427).

70202105 is a wasteful number, since it uses less digits than its factorization.

70202105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14040426.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 70202105 is about 8378.6696438038. The cubic root of 70202105 is about 412.5247833288.

It can be divided in two parts, 70202 and 105, that added together give a palindrome (70307).

The spelling of 70202105 in words is "seventy million, two hundred two thousand, one hundred five".