7394240 has 56 divisors (see below), whose sum is σ = 20128992. Its totient is φ = 2534400.

The previous prime is 7394239. The next prime is 7394279. The reversal of 7394240 is 424937.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent 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, 590 + ... + 3890.

Almost surely, 2^7394240 is an apocalyptic number.

7394240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7394240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10064496).

7394240 is an abundant number, since it is smaller than the sum of its proper divisors (12734752).

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

7394240 is a wasteful number, since it uses less digits than its factorization.

7394240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325 (or 3315 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 7394240 is about 2719.2351865920. The cubic root of 7394240 is about 194.8189421740.

The spelling of 7394240 in words is "seven million, three hundred ninety-four thousand, two hundred forty".