7905340 has 24 divisors (see below), whose sum is σ = 17578512. Its totient is φ = 2976000.

The previous prime is 7905277. The next prime is 7905343. The reversal of 7905340 is 435097.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7905299 and 7905308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7905343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11286 + ... + 11965.

It is an arithmetic number, because the mean of its divisors is an integer number (732438).

Almost surely, 2^7905340 is an apocalyptic number.

It is an amenable number.

7905340 is an abundant number, since it is smaller than the sum of its proper divisors (9673172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7905340 is a wasteful number, since it uses less digits than its factorization.

7905340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23277 (or 23275 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 7905340 is about 2811.6436474063. The cubic root of 7905340 is about 199.2080347614.

The spelling of 7905340 in words is "seven million, nine hundred five thousand, three hundred forty".