7000040 has 32 divisors (see below), whose sum is σ = 15876000. Its totient is φ = 2777664.

The previous prime is 7000033. The next prime is 7000057. The reversal of 7000040 is 400007.

It is a junction number, because it is equal to n+sod(n) for n = 6999985 and 7000030.

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, 4931 + ... + 6189.

It is an arithmetic number, because the mean of its divisors is an integer number (496125).

Almost surely, 2^7000040 is an apocalyptic number.

It is an amenable number.

7000040 is an abundant number, since it is smaller than the sum of its proper divisors (8875960).

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

7000040 is a wasteful number, since it uses less digits than its factorization.

7000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 11.

The square root of 7000040 is about 2645.7588703433. The cubic root of 7000040 is about 191.2934826444.

Adding to 7000040 its reverse (400007), we get a palindrome (7400047).

The spelling of 7000040 in words is "seven million, forty", and thus it is an aban number and an uban number.