7437906 has 60 divisors (see below), whose sum is σ = 19408158. Its totient is φ = 2122848.

The previous prime is 7437887. The next prime is 7437917. The reversal of 7437906 is 6097347.

It can be written as a sum of positive squares in only one way, i.e., 7338681 + 99225 = 2709^2 + 315^2 .

It is a nialpdrome in base 14.

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 29 ways as a sum of consecutive naturals, for example, 7470 + ... + 8406.

Almost surely, 2^7437906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7437906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9704079).

7437906 is an abundant number, since it is smaller than the sum of its proper divisors (11970252).

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

7437906 is a wasteful number, since it uses less digits than its factorization.

7437906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 7437906 is about 2727.2524635611. The cubic root of 7437906 is about 195.2016848204.

It can be divided in two parts, 743 and 7906, that added together give a square (8649 = 93²).

The spelling of 7437906 in words is "seven million, four hundred thirty-seven thousand, nine hundred six".