7423506 has 24 divisors (see below), whose sum is σ = 16147404. Its totient is φ = 2464800.

The previous prime is 7423499. The next prime is 7423511. The reversal of 7423506 is 6053247.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4730625 + 2692881 = 2175^2 + 1641^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7423506.

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, 5056 + ... + 6356.

Almost surely, 2^7423506 is an apocalyptic number.

7423506 is an abundant number, since it is smaller than the sum of its proper divisors (8723898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7423506 is a wasteful number, since it uses less digits than its factorization.

7423506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626 (or 1623 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 7423506 is about 2724.6111649188. The cubic root of 7423506 is about 195.0756314118.

The spelling of 7423506 in words is "seven million, four hundred twenty-three thousand, five hundred six".