7906545 has 16 divisors (see below), whose sum is σ = 14056320. Its totient is φ = 4216752.

The previous prime is 7906543. The next prime is 7906559. The reversal of 7906545 is 5456097.

7906545 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7906545 - 2¹ = 7906543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7906541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29149 + ... + 29418.

It is an arithmetic number, because the mean of its divisors is an integer number (878520).

Almost surely, 2^7906545 is an apocalyptic number.

It is an amenable number.

7906545 is a deficient number, since it is larger than the sum of its proper divisors (6149775).

7906545 is a wasteful number, since it uses less digits than its factorization.

7906545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58581 (or 58575 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 7906545 is about 2811.8579267097. The cubic root of 7906545 is about 199.2181559152.

The spelling of 7906545 in words is "seven million, nine hundred six thousand, five hundred forty-five".