7906345 has 8 divisors (see below), whose sum is σ = 9744264. Its totient is φ = 6153984.

The previous prime is 7906307. The next prime is 7906361. The reversal of 7906345 is 5436097.

It can be written as a sum of positive squares in 4 ways, for example, as 3031081 + 4875264 = 1741^2 + 2208^2 .

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 7906345 - 2¹¹ = 7904297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7906345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21184 + ... + 21553.

It is an arithmetic number, because the mean of its divisors is an integer number (1218033).

Almost surely, 2^7906345 is an apocalyptic number.

It is an amenable number.

7906345 is a deficient number, since it is larger than the sum of its proper divisors (1837919).

7906345 is a wasteful number, since it uses less digits than its factorization.

7906345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42779.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 7906345 is about 2811.8223628103. The cubic root of 7906345 is about 199.2164761268.

The spelling of 7906345 in words is "seven million, nine hundred six thousand, three hundred forty-five".