7490240 has 56 divisors (see below), whose sum is σ = 18105120. Its totient is φ = 2951168.

The previous prime is 7490239. The next prime is 7490257. The reversal of 7490240 is 420947.

It is a super-2 number, since 2×7490240² = 112207390515200, which contains 22 as substring.

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, 28349 + ... + 28611.

Almost surely, 2^7490240 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 7490240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9052560).

7490240 is an abundant number, since it is smaller than the sum of its proper divisors (10614880).

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

7490240 is a wasteful number, since it uses less digits than its factorization.

7490240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 7490240 is about 2736.8302833753. The cubic root of 7490240 is about 195.6584360708.

The spelling of 7490240 in words is "seven million, four hundred ninety thousand, two hundred forty".