7040645 has 8 divisors (see below), whose sum is σ = 8816256. Its totient is φ = 5387536.

The previous prime is 7040639. The next prime is 7040651. The reversal of 7040645 is 5460407.

It is an interprime number because it is at equal distance from previous prime (7040639) and next prime (7040651).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7040645 - 2⁴ = 7040629 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 30497 + ... + 30726.

It is an arithmetic number, because the mean of its divisors is an integer number (1102032).

Almost surely, 2^7040645 is an apocalyptic number.

It is an amenable number.

7040645 is a deficient number, since it is larger than the sum of its proper divisors (1775611).

7040645 is a wasteful number, since it uses less digits than its factorization.

7040645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61251.

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

The square root of 7040645 is about 2653.4213762612. The cubic root of 7040645 is about 191.6626472587.

The spelling of 7040645 in words is "seven million, forty thousand, six hundred forty-five".