7040990 has 48 divisors (see below), whose sum is σ = 14572656. Its totient is φ = 2449040.

The previous prime is 7040987. The next prime is 7040993. The reversal of 7040990 is 990407.

It is an interprime number because it is at equal distance from previous prime (7040987) and next prime (7040993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7040993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306119 + ... + 306141.

It is an arithmetic number, because the mean of its divisors is an integer number (303597).

Almost surely, 2^7040990 is an apocalyptic number.

7040990 is an abundant number, since it is smaller than the sum of its proper divisors (7531666).

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

7040990 is a wasteful number, since it uses less digits than its factorization.

7040990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 7040990 is about 2653.4863858705. The cubic root of 7040990 is about 191.6657777737.

It can be divided in two parts, 7040 and 990, that multiplied together give a square (6969600 = 2640²).

The spelling of 7040990 in words is "seven million, forty thousand, nine hundred ninety".