7446340 has 72 divisors (see below), whose sum is σ = 18299736. Its totient is φ = 2534400.

The previous prime is 7446337. The next prime is 7446343. The reversal of 7446340 is 436447.

It is an interprime number because it is at equal distance from previous prime (7446337) and next prime (7446343).

It can be written as a sum of positive squares in 4 ways, for example, as 123904 + 7322436 = 352^2 + 2706^2 .

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 7446299 and 7446308.

It is not an unprimeable number, because it can be changed into a prime (7446343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41050 + ... + 41230.

It is an arithmetic number, because the mean of its divisors is an integer number (254163).

Almost surely, 2^7446340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7446340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9149868).

7446340 is an abundant number, since it is smaller than the sum of its proper divisors (10853396).

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

7446340 is a wasteful number, since it uses less digits than its factorization.

7446340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 7446340 is about 2728.7982703014. The cubic root of 7446340 is about 195.2754380663.

The spelling of 7446340 in words is "seven million, four hundred forty-six thousand, three hundred forty".