7670989 has 2 divisors, whose sum is σ = 7670990. Its totient is φ = 7670988.

The previous prime is 7670987. The next prime is 7671017. The reversal of 7670989 is 9890767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7452900 + 218089 = 2730^2 + 467^2 .

It is a cyclic number.

It is not a de Polignac number, because 7670989 - 2¹ = 7670987 is a prime.

Together with 7670987, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

7670989 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7670987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3835494 + 3835495.

It is an arithmetic number, because the mean of its divisors is an integer number (3835495).

Almost surely, 2^7670989 is an apocalyptic number.

It is an amenable number.

7670989 is a deficient number, since it is larger than the sum of its proper divisors (1).

7670989 is an equidigital number, since it uses as much as digits as its factorization.

7670989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 7670989 is about 2769.6550326710. The cubic root of 7670989 is about 197.2197724251.

The spelling of 7670989 in words is "seven million, six hundred seventy thousand, nine hundred eighty-nine".