7040216 has 8 divisors (see below), whose sum is σ = 13200420. Its totient is φ = 3520104.

The previous prime is 7040213. The next prime is 7040221. The reversal of 7040216 is 6120407.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7040213) 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 as a sum of consecutive naturals, namely, 440006 + ... + 440021.

Almost surely, 2^7040216 is an apocalyptic number.

It is an amenable number.

7040216 is a deficient number, since it is larger than the sum of its proper divisors (6160204).

7040216 is a wasteful number, since it uses less digits than its factorization.

7040216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880033 (or 880029 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 7040216 is about 2653.3405360036. The cubic root of 7040216 is about 191.6587543888.

The spelling of 7040216 in words is "seven million, forty thousand, two hundred sixteen".