70187201 has 4 divisors (see below), whose sum is σ = 80213952. Its totient is φ = 60160452.

The previous prime is 70187189. The next prime is 70187209. The reversal of 70187201 is 10278107.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70187201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70187209) 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 in 3 ways as a sum of consecutive naturals, for example, 5013365 + ... + 5013378.

It is an arithmetic number, because the mean of its divisors is an integer number (20053488).

Almost surely, 2^70187201 is an apocalyptic number.

It is an amenable number.

70187201 is a deficient number, since it is larger than the sum of its proper divisors (10026751).

70187201 is a wasteful number, since it uses less digits than its factorization.

70187201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10026750.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 70187201 is about 8377.7801952546. The cubic root of 70187201 is about 412.4955880765.

The spelling of 70187201 in words is "seventy million, one hundred eighty-seven thousand, two hundred one".