7070389 has 2 divisors, whose sum is σ = 7070390. Its totient is φ = 7070388.

The previous prime is 7070381. The next prime is 7070417. The reversal of 7070389 is 9830707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5062500 + 2007889 = 2250^2 + 1417^2 .

It is an emirp because it is prime and its reverse (9830707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7070389 - 2³ = 7070381 is a prime.

It is a super-2 number, since 2×7070389² = 99980801222642, which contains 22 as substring.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7070381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3535194 + 3535195.

It is an arithmetic number, because the mean of its divisors is an integer number (3535195).

Almost surely, 2^7070389 is an apocalyptic number.

It is an amenable number.

7070389 is a deficient number, since it is larger than the sum of its proper divisors (1).

7070389 is an equidigital number, since it uses as much as digits as its factorization.

7070389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 7070389 is about 2659.0203083091. The cubic root of 7070389 is about 191.9321682405.

The spelling of 7070389 in words is "seven million, seventy thousand, three hundred eighty-nine".