7406281 has 8 divisors (see below), whose sum is σ = 7849800. Its totient is φ = 6975360.

The previous prime is 7406261. The next prime is 7406291. The reversal of 7406281 is 1826047.

It can be written as a sum of positive squares in 4 ways, for example, as 116281 + 7290000 = 341^2 + 2700^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7406281 - 2¹³ = 7398089 is a prime.

It is a super-2 number, since 2×7406281² = 109705996501922, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (7406251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1926 + ... + 4303.

It is an arithmetic number, because the mean of its divisors is an integer number (981225).

Almost surely, 2^7406281 is an apocalyptic number.

It is an amenable number.

7406281 is a deficient number, since it is larger than the sum of its proper divisors (443519).

7406281 is a wasteful number, since it uses less digits than its factorization.

7406281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6299.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 7406281 is about 2721.4483276373. The cubic root of 7406281 is about 194.9246344742.

It can be divided in two parts, 740 and 6281, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 7406281 in words is "seven million, four hundred six thousand, two hundred eighty-one".