70128341 has 2 divisors, whose sum is σ = 70128342. Its totient is φ = 70128340.

The previous prime is 70128329. The next prime is 70128343. The reversal of 70128341 is 14382107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44169316 + 25959025 = 6646^2 + 5095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70128341 is a prime.

It is a super-2 number, since 2×70128341² = 9835968422824562, which contains 22 as substring.

Together with 70128343, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70128341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70128343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35064170 + 35064171.

It is an arithmetic number, because the mean of its divisors is an integer number (35064171).

Almost surely, 2^70128341 is an apocalyptic number.

It is an amenable number.

70128341 is a deficient number, since it is larger than the sum of its proper divisors (1).

70128341 is an equidigital number, since it uses as much as digits as its factorization.

70128341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 70128341 is about 8374.2665947532. The cubic root of 70128341 is about 412.3802475767.

The spelling of 70128341 in words is "seventy million, one hundred twenty-eight thousand, three hundred forty-one".