70434401 has 2 divisors, whose sum is σ = 70434402. Its totient is φ = 70434400.

The previous prime is 70434379. The next prime is 70434431. The reversal of 70434401 is 10443407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60824401 + 9610000 = 7799^2 + 3100^2 .

It is a cyclic number.

It is not a de Polignac number, because 70434401 - 2⁶ = 70434337 is a prime.

It is a super-2 number, since 2×70434401² = 9922009688457602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70434431) 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 as a sum of consecutive naturals, namely, 35217200 + 35217201.

It is an arithmetic number, because the mean of its divisors is an integer number (35217201).

Almost surely, 2^70434401 is an apocalyptic number.

It is an amenable number.

70434401 is a deficient number, since it is larger than the sum of its proper divisors (1).

70434401 is an equidigital number, since it uses as much as digits as its factorization.

70434401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 70434401 is about 8392.5205391467. The cubic root of 70434401 is about 412.9792917992.

Adding to 70434401 its reverse (10443407), we get a palindrome (80877808).

The spelling of 70434401 in words is "seventy million, four hundred thirty-four thousand, four hundred one".