7905740 has 12 divisors (see below), whose sum is σ = 16602096. Its totient is φ = 3162288.

The previous prime is 7905739. The next prime is 7905757. The reversal of 7905740 is 475097.

It is a junction number, because it is equal to n+sod(n) for n = 7905697 and 7905706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197624 + ... + 197663.

It is an arithmetic number, because the mean of its divisors is an integer number (1383508).

Almost surely, 2^7905740 is an apocalyptic number.

It is an amenable number.

7905740 is an abundant number, since it is smaller than the sum of its proper divisors (8696356).

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

7905740 is a wasteful number, since it uses less digits than its factorization.

7905740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395296 (or 395294 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 7905740 is about 2811.7147792762. The cubic root of 7905740 is about 199.2113945945.

It can be divided in two parts, 79057 and 40, that added together give a palindrome (79097).

The spelling of 7905740 in words is "seven million, nine hundred five thousand, seven hundred forty".