7040506 has 24 divisors (see below), whose sum is σ = 11874240. Its totient is φ = 3127080.

The previous prime is 7040483. The next prime is 7040513. The reversal of 7040506 is 6050407.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11065 + ... + 11683.

It is an arithmetic number, because the mean of its divisors is an integer number (494760).

Almost surely, 2^7040506 is an apocalyptic number.

7040506 is a deficient number, since it is larger than the sum of its proper divisors (4833734).

7040506 is a wasteful number, since it uses less digits than its factorization.

7040506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 7040506 is about 2653.3951835337. The cubic root of 7040506 is about 191.6613859499.

7040506 divided by its sum of digits (22) gives a palindrome (320023).

Subtracting from 7040506 its reverse (6050407), we obtain a palindrome (990099).

The spelling of 7040506 in words is "seven million, forty thousand, five hundred six".