70163201 has 4 divisors (see below), whose sum is σ = 70188804. Its totient is φ = 70137600.

The previous prime is 70163183. The next prime is 70163231. The reversal of 70163201 is 10236107.

It is a happy number.

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 874225 + 69288976 = 935^2 + 8324^2 .

It is a cyclic number.

It is not a de Polignac number, because 70163201 - 2²² = 65968897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70163231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8120 + ... + 14361.

It is an arithmetic number, because the mean of its divisors is an integer number (17547201).

Almost surely, 2^70163201 is an apocalyptic number.

It is an amenable number.

70163201 is a deficient number, since it is larger than the sum of its proper divisors (25603).

70163201 is a wasteful number, since it uses less digits than its factorization.

70163201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25602.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 70163201 is about 8376.3477124580. The cubic root of 70163201 is about 412.4485661001.

Adding to 70163201 its reverse (10236107), we get a palindrome (80399308).

The spelling of 70163201 in words is "seventy million, one hundred sixty-three thousand, two hundred one".