70217401 has 2 divisors, whose sum is σ = 70217402. Its totient is φ = 70217400.

The previous prime is 70217393. The next prime is 70217417. The reversal of 70217401 is 10471207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70157376 + 60025 = 8376^2 + 245^2 .

It is a cyclic number.

It is not a de Polignac number, because 70217401 - 2³ = 70217393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70217431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35108700 + 35108701.

It is an arithmetic number, because the mean of its divisors is an integer number (35108701).

Almost surely, 2^70217401 is an apocalyptic number.

It is an amenable number.

70217401 is a deficient number, since it is larger than the sum of its proper divisors (1).

70217401 is an equidigital number, since it uses as much as digits as its factorization.

70217401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 70217401 is about 8379.5823881623. The cubic root of 70217401 is about 412.5547421687.

Adding to 70217401 its reverse (10471207), we get a palindrome (80688608).

The spelling of 70217401 in words is "seventy million, two hundred seventeen thousand, four hundred one".