70328369 has 2 divisors, whose sum is σ = 70328370. Its totient is φ = 70328368.

The previous prime is 70328353. The next prime is 70328387. The reversal of 70328369 is 96382307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50410000 + 19918369 = 7100^2 + 4463^2 .

It is a cyclic number.

It is not a de Polignac number, because 70328369 - 2⁴ = 70328353 is a prime.

It is a super-2 number, since 2×70328369² = 9892158972400322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70324369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35164184 + 35164185.

It is an arithmetic number, because the mean of its divisors is an integer number (35164185).

Almost surely, 2^70328369 is an apocalyptic number.

It is an amenable number.

70328369 is a deficient number, since it is larger than the sum of its proper divisors (1).

70328369 is an equidigital number, since it uses as much as digits as its factorization.

70328369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 70328369 is about 8386.2011065798. The cubic root of 70328369 is about 412.7719546108.

The spelling of 70328369 in words is "seventy million, three hundred twenty-eight thousand, three hundred sixty-nine".