7281026 has 8 divisors (see below), whose sum is σ = 11188044. Its totient is φ = 3551680.

The previous prime is 7281011. The next prime is 7281031. The reversal of 7281026 is 6201827.

It can be written as a sum of positive squares in 2 ways, for example, as 5175625 + 2105401 = 2275^2 + 1451^2 .

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

It is a super-2 number, since 2×7281026² = 106026679225352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7280986 and 7281004.

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, 44315 + ... + 44478.

Almost surely, 2^7281026 is an apocalyptic number.

7281026 is a deficient number, since it is larger than the sum of its proper divisors (3907018).

7281026 is a wasteful number, since it uses less digits than its factorization.

7281026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88836.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 7281026 is about 2698.3376363976. The cubic root of 7281026 is about 193.8195260712.

The spelling of 7281026 in words is "seven million, two hundred eighty-one thousand, twenty-six".