7700345 has 8 divisors (see below), whose sum is σ = 9336264. Its totient is φ = 6096384.

The previous prime is 7700327. The next prime is 7700347. The reversal of 7700345 is 5430077.

It can be written as a sum of positive squares in 4 ways, for example, as 3052009 + 4648336 = 1747^2 + 2156^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7700345 - 2⁶ = 7700281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7700347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7454 + ... + 8423.

It is an arithmetic number, because the mean of its divisors is an integer number (1167033).

Almost surely, 2^7700345 is an apocalyptic number.

It is an amenable number.

7700345 is a deficient number, since it is larger than the sum of its proper divisors (1635919).

7700345 is a wasteful number, since it uses less digits than its factorization.

7700345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15979.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 7700345 is about 2774.9495490909. The cubic root of 7700345 is about 197.4710313758.

The spelling of 7700345 in words is "seven million, seven hundred thousand, three hundred forty-five".