7238081 has 4 divisors (see below), whose sum is σ = 7487700. Its totient is φ = 6988464.

The previous prime is 7238071. The next prime is 7238089. The reversal of 7238081 is 1808327.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3297856 + 3940225 = 1816^2 + 1985^2 .

It is a cyclic number.

It is not a de Polignac number, because 7238081 - 2¹⁰ = 7237057 is a prime.

It is a super-2 number, since 2×7238081² = 104779633125122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 249589 = 7238081 / (7 + 2 + 3 + 8 + 0 + 8 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7238089) 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, 124766 + ... + 124823.

It is an arithmetic number, because the mean of its divisors is an integer number (1871925).

Almost surely, 2^7238081 is an apocalyptic number.

It is an amenable number.

7238081 is a deficient number, since it is larger than the sum of its proper divisors (249619).

7238081 is a wasteful number, since it uses less digits than its factorization.

7238081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249618.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 7238081 is about 2690.3681904156. The cubic root of 7238081 is about 193.4377118363.

The spelling of 7238081 in words is "seven million, two hundred thirty-eight thousand, eighty-one".