7474742 has 8 divisors (see below), whose sum is σ = 12231432. Its totient is φ = 3397600.

The previous prime is 7474717. The next prime is 7474759. The reversal of 7474742 is 2474747.

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

It is a congruent number.

It is an unprimeable number.

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, 169859 + ... + 169902.

It is an arithmetic number, because the mean of its divisors is an integer number (1528929).

Almost surely, 2^7474742 is an apocalyptic number.

7474742 is a deficient number, since it is larger than the sum of its proper divisors (4756690).

7474742 is a wasteful number, since it uses less digits than its factorization.

7474742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339774.

The product of its digits is 43904, while the sum is 35.

The square root of 7474742 is about 2733.9974396477. The cubic root of 7474742 is about 195.5233977530.

The spelling of 7474742 in words is "seven million, four hundred seventy-four thousand, seven hundred forty-two".