7490940 has 48 divisors (see below), whose sum is σ = 22081920. Its totient is φ = 1892160.

The previous prime is 7490927. The next prime is 7490981. The reversal of 7490940 is 490947.

It is a super-2 number, since 2×7490940² = 112228364167200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2146 + ... + 4425.

It is an arithmetic number, because the mean of its divisors is an integer number (460040).

Almost surely, 2^7490940 is an apocalyptic number.

It is an amenable number.

7490940 is an abundant number, since it is smaller than the sum of its proper divisors (14590980).

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

7490940 is a wasteful number, since it uses less digits than its factorization.

7490940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602 (or 6600 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 7490940 is about 2736.9581655553. The cubic root of 7490940 is about 195.6645309640.

The spelling of 7490940 in words is "seven million, four hundred ninety thousand, nine hundred forty".