7040255 has 16 divisors (see below), whose sum is σ = 8895744. Its totient is φ = 5341440.

The previous prime is 7040221. The next prime is 7040263. The reversal of 7040255 is 5520407.

7040255 = 306² + 307² + ... + 367².

It is not a de Polignac number, because 7040255 - 2¹⁸ = 6778111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7040255.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7787 + ... + 8643.

It is an arithmetic number, because the mean of its divisors is an integer number (555984).

Almost surely, 2^7040255 is an apocalyptic number.

7040255 is a deficient number, since it is larger than the sum of its proper divisors (1855489).

7040255 is a wasteful number, since it uses less digits than its factorization.

7040255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 7040255 is about 2653.3478852197. The cubic root of 7040255 is about 191.6591082926.

The spelling of 7040255 in words is "seven million, forty thousand, two hundred fifty-five".