70214609 has 2 divisors, whose sum is σ = 70214610. Its totient is φ = 70214608.

The previous prime is 70214603. The next prime is 70214623. The reversal of 70214609 is 90641207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70140625 + 73984 = 8375^2 + 272^2 .

It is a cyclic number.

It is not a de Polignac number, because 70214609 - 2²⁴ = 53437393 is a prime.

It is not a weakly prime, because it can be changed into another prime (70214603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35107304 + 35107305.

It is an arithmetic number, because the mean of its divisors is an integer number (35107305).

Almost surely, 2^70214609 is an apocalyptic number.

It is an amenable number.

70214609 is a deficient number, since it is larger than the sum of its proper divisors (1).

70214609 is an equidigital number, since it uses as much as digits as its factorization.

70214609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 70214609 is about 8379.4157910919. The cubic root of 70214609 is about 412.5492740649.

The spelling of 70214609 in words is "seventy million, two hundred fourteen thousand, six hundred nine".