7040456 has 8 divisors (see below), whose sum is σ = 13200870. Its totient is φ = 3520224.

The previous prime is 7040443. The next prime is 7040477. The reversal of 7040456 is 6540407.

It can be written as a sum of positive squares in only one way, i.e., 7022500 + 17956 = 2650^2 + 134^2 .

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

It is an unprimeable number.

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, 440021 + ... + 440036.

Almost surely, 2^7040456 is an apocalyptic number.

It is an amenable number.

7040456 is a deficient number, since it is larger than the sum of its proper divisors (6160414).

7040456 is a wasteful number, since it uses less digits than its factorization.

7040456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880063 (or 880059 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 7040456 is about 2653.3857616261. The cubic root of 7040456 is about 191.6609322376.

The spelling of 7040456 in words is "seven million, forty thousand, four hundred fifty-six".