7349940 has 120 divisors (see below), whose sum is σ = 24901800. Its totient is φ = 1804032.

The previous prime is 7349921. The next prime is 7349957. The reversal of 7349940 is 499437.

It can be written as a sum of positive squares in 4 ways, for example, as 443556 + 6906384 = 666^2 + 2628^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7349895 and 7349904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20886 + ... + 21234.

It is an arithmetic number, because the mean of its divisors is an integer number (207515).

Almost surely, 2^7349940 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 7349940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12450900).

7349940 is an abundant number, since it is smaller than the sum of its proper divisors (17551860).

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

7349940 is a wasteful number, since it uses less digits than its factorization.

7349940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 7349940 is about 2711.0772766559. The cubic root of 7349940 is about 194.4290994391.

The spelling of 7349940 in words is "seven million, three hundred forty-nine thousand, nine hundred forty".