7440906 has 16 divisors (see below), whose sum is σ = 16234848. Its totient is φ = 2254800.

The previous prime is 7440893. The next prime is 7440943. The reversal of 7440906 is 6090447.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56305 + ... + 56436.

It is an arithmetic number, because the mean of its divisors is an integer number (1014678).

Almost surely, 2^7440906 is an apocalyptic number.

7440906 is an abundant number, since it is smaller than the sum of its proper divisors (8793942).

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

7440906 is a wasteful number, since it uses less digits than its factorization.

7440906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112757.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 7440906 is about 2727.8024121992. The cubic root of 7440906 is about 195.2279254648.

The spelling of 7440906 in words is "seven million, four hundred forty thousand, nine hundred six".