7274642 has 8 divisors (see below), whose sum is σ = 10955196. Its totient is φ = 3622912.

The previous prime is 7274639. The next prime is 7274651. The reversal of 7274642 is 2464727.

It can be written as a sum of positive squares in 2 ways, for example, as 6754801 + 519841 = 2599^2 + 721^2 .

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

It is a d-powerful number, because it can be written as 7⁶ + 2¹¹ + 7⁸ + 4⁹ + 6⁶ + 4¹⁰ + 2¹⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 7274599 and 7274608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6563 + ... + 7590.

Almost surely, 2^7274642 is an apocalyptic number.

7274642 is a deficient number, since it is larger than the sum of its proper divisors (3680554).

7274642 is a wasteful number, since it uses less digits than its factorization.

7274642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14412.

The product of its digits is 18816, while the sum is 32.

The square root of 7274642 is about 2697.1544264280. The cubic root of 7274642 is about 193.7628625522.

The spelling of 7274642 in words is "seven million, two hundred seventy-four thousand, six hundred forty-two".