70215201 has 16 divisors (see below), whose sum is σ = 118883200. Its totient is φ = 40122864.

The previous prime is 70215193. The next prime is 70215239. The reversal of 70215201 is 10251207.

It is not a de Polignac number, because 70215201 - 2³ = 70215193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70215401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185566 + ... + 185943.

It is an arithmetic number, because the mean of its divisors is an integer number (7430200).

Almost surely, 2^70215201 is an apocalyptic number.

It is an amenable number.

70215201 is a deficient number, since it is larger than the sum of its proper divisors (48667999).

70215201 is a wasteful number, since it uses less digits than its factorization.

70215201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371525 (or 371519 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 70215201 is about 8379.4511156758. The cubic root of 70215201 is about 412.5504335030.

Adding to 70215201 its reverse (10251207), we get a palindrome (80466408).

The spelling of 70215201 in words is "seventy million, two hundred fifteen thousand, two hundred one".