7492940 has 96 divisors (see below), whose sum is σ = 20321280. Its totient is φ = 2255616.

The previous prime is 7492921. The next prime is 7492943. The reversal of 7492940 is 492947.

It is a super-2 number, since 2×7492940² = 112288299687200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 7492940.

It is not an unprimeable number, because it can be changed into a prime (7492943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41771 + ... + 41949.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

Almost surely, 2^7492940 is an apocalyptic number.

7492940 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 7492940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10160640).

7492940 is an abundant number, since it is smaller than the sum of its proper divisors (12828340).

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

7492940 is a wasteful number, since it uses less digits than its factorization.

7492940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 7492940 is about 2737.3235102925. The cubic root of 7492940 is about 195.6819428527.

The spelling of 7492940 in words is "seven million, four hundred ninety-two thousand, nine hundred forty".