7494842 has 8 divisors (see below), whose sum is σ = 11257716. Its totient is φ = 3742272.

The previous prime is 7494763. The next prime is 7494869. The reversal of 7494842 is 2484947.

It can be written as a sum of positive squares in 2 ways, for example, as 7458361 + 36481 = 2731^2 + 191^2 .

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7494796 and 7494805.

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 3 ways as a sum of consecutive naturals, for example, 383 + ... + 3890.

Almost surely, 2^7494842 is an apocalyptic number.

7494842 is a deficient number, since it is larger than the sum of its proper divisors (3762874).

7494842 is a wasteful number, since it uses less digits than its factorization.

7494842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152.

The product of its digits is 64512, while the sum is 38.

The square root of 7494842 is about 2737.6709079069. The cubic root of 7494842 is about 195.6984986847.

The spelling of 7494842 in words is "seven million, four hundred ninety-four thousand, eight hundred forty-two".