7906745 has 24 divisors (see below), whose sum is σ = 11925312. Its totient is φ = 4926240.

The previous prime is 7906741. The next prime is 7906753. The reversal of 7906745 is 5476097.

7906745 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7906745 - 2² = 7906741 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7906699 and 7906708.

It is not an unprimeable number, because it can be changed into a prime (7906741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3302 + ... + 5168.

It is an arithmetic number, because the mean of its divisors is an integer number (496888).

Almost surely, 2^7906745 is an apocalyptic number.

It is an amenable number.

7906745 is a deficient number, since it is larger than the sum of its proper divisors (4018567).

7906745 is a wasteful number, since it uses less digits than its factorization.

7906745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 7906745 is about 2811.8934901593. The cubic root of 7906745 is about 199.2198356752.

The spelling of 7906745 in words is "seven million, nine hundred six thousand, seven hundred forty-five".