7379940 has 48 divisors (see below), whose sum is σ = 21111552. Its totient is φ = 1925376.

The previous prime is 7379929. The next prime is 7379947. The reversal of 7379940 is 499737.

7379940 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7379947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1512 + ... + 4128.

It is an arithmetic number, because the mean of its divisors is an integer number (439824).

Almost surely, 2^7379940 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 7379940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10555776).

7379940 is an abundant number, since it is smaller than the sum of its proper divisors (13731612).

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

7379940 is a wasteful number, since it uses less digits than its factorization.

7379940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676 (or 2674 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 7379940 is about 2716.6044982662. The cubic root of 7379940 is about 194.6932718896.

The spelling of 7379940 in words is "seven million, three hundred seventy-nine thousand, nine hundred forty".