7081238 has 4 divisors (see below), whose sum is σ = 10621860. Its totient is φ = 3540618.

The previous prime is 7081213. The next prime is 7081241. The reversal of 7081238 is 8321807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8321807 = 13 ⋅640139.

It is a super-2 number, since 2×7081238² = 100287863225288, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7081238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770308 + ... + 1770311.

It is an arithmetic number, because the mean of its divisors is an integer number (2655465).

Almost surely, 2^7081238 is an apocalyptic number.

7081238 is a deficient number, since it is larger than the sum of its proper divisors (3540622).

7081238 is a wasteful number, since it uses less digits than its factorization.

7081238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540621.

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

The square root of 7081238 is about 2661.0595634070. The cubic root of 7081238 is about 192.0302867442.

The spelling of 7081238 in words is "seven million, eighty-one thousand, two hundred thirty-eight".