70132609 has 2 divisors, whose sum is σ = 70132610. Its totient is φ = 70132608.

The previous prime is 70132607. The next prime is 70132631. The reversal of 70132609 is 90623107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69772609 + 360000 = 8353^2 + 600^2 .

It is a cyclic number.

It is not a de Polignac number, because 70132609 - 2¹ = 70132607 is a prime.

Together with 70132607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (70132603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35066304 + 35066305.

It is an arithmetic number, because the mean of its divisors is an integer number (35066305).

Almost surely, 2^70132609 is an apocalyptic number.

It is an amenable number.

70132609 is a deficient number, since it is larger than the sum of its proper divisors (1).

70132609 is an equidigital number, since it uses as much as digits as its factorization.

70132609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 70132609 is about 8374.5214191618. The cubic root of 70132609 is about 412.3886132064.

The spelling of 70132609 in words is "seventy million, one hundred thirty-two thousand, six hundred nine".