70401371 has 2 divisors, whose sum is σ = 70401372. Its totient is φ = 70401370.

The previous prime is 70401361. The next prime is 70401377. The reversal of 70401371 is 17310407.

It is a strong prime.

It is an emirp because it is prime and its reverse (17310407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70401371 - 2¹⁸ = 70139227 is a prime.

It is not a weakly prime, because it can be changed into another prime (70401377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35200685 + 35200686.

It is an arithmetic number, because the mean of its divisors is an integer number (35200686).

Almost surely, 2^70401371 is an apocalyptic number.

70401371 is a deficient number, since it is larger than the sum of its proper divisors (1).

70401371 is an equidigital number, since it uses as much as digits as its factorization.

70401371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 70401371 is about 8390.5524847891. The cubic root of 70401371 is about 412.9147265743.

Adding to 70401371 its reverse (17310407), we get a palindrome (87711778).

The spelling of 70401371 in words is "seventy million, four hundred one thousand, three hundred seventy-one".