70845329 has 2 divisors, whose sum is σ = 70845330. Its totient is φ = 70845328.

The previous prime is 70845311. The next prime is 70845361. The reversal of 70845329 is 92354807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48330304 + 22515025 = 6952^2 + 4745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70845329 is a prime.

It is a super-2 number, since 2×70845329² = 10038121282236482, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70845292 and 70845301.

It is not a weakly prime, because it can be changed into another prime (70845389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35422664 + 35422665.

It is an arithmetic number, because the mean of its divisors is an integer number (35422665).

Almost surely, 2^70845329 is an apocalyptic number.

It is an amenable number.

70845329 is a deficient number, since it is larger than the sum of its proper divisors (1).

70845329 is an equidigital number, since it uses as much as digits as its factorization.

70845329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 70845329 is about 8416.9667339250. The cubic root of 70845329 is about 413.7808688098.

The spelling of 70845329 in words is "seventy million, eight hundred forty-five thousand, three hundred twenty-nine".