7272946 has 8 divisors (see below), whose sum is σ = 10920924. Its totient is φ = 3632640.

The previous prime is 7272943. The next prime is 7272971. The reversal of 7272946 is 6492727.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6817321 + 455625 = 2611^2 + 675^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7272943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386 + ... + 4498.

Almost surely, 2^7272946 is an apocalyptic number.

7272946 is a deficient number, since it is larger than the sum of its proper divisors (3647978).

7272946 is a wasteful number, since it uses less digits than its factorization.

7272946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836.

The product of its digits is 42336, while the sum is 37.

The square root of 7272946 is about 2696.8400026698. The cubic root of 7272946 is about 193.7478035131.

The spelling of 7272946 in words is "seven million, two hundred seventy-two thousand, nine hundred forty-six".