7490442 has 8 divisors (see below), whose sum is σ = 14980896. Its totient is φ = 2496812.

The previous prime is 7490423. The next prime is 7490443. The reversal of 7490442 is 2440947.

It is a sphenic number, since it is the product of 3 distinct primes.

7490442 is an admirable number.

It is a super-2 number, since 2×7490442² = 112213442710728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7490443) 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 3 ways as a sum of consecutive naturals, for example, 624198 + ... + 624209.

It is an arithmetic number, because the mean of its divisors is an integer number (1872612).

Almost surely, 2^7490442 is an apocalyptic number.

7490442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7490442 is a wasteful number, since it uses less digits than its factorization.

7490442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248412.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 7490442 is about 2736.8671871320. The cubic root of 7490442 is about 195.6601949218.

The spelling of 7490442 in words is "seven million, four hundred ninety thousand, four hundred forty-two".