7240238 has 4 divisors (see below), whose sum is σ = 10860360. Its totient is φ = 3620118.

The previous prime is 7240201. The next prime is 7240241. The reversal of 7240238 is 8320427.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8320427 = 107 ⋅77761.

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, 1810058 + ... + 1810061.

It is an arithmetic number, because the mean of its divisors is an integer number (2715090).

Almost surely, 2^7240238 is an apocalyptic number.

7240238 is a deficient number, since it is larger than the sum of its proper divisors (3620122).

7240238 is a wasteful number, since it uses less digits than its factorization.

7240238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620121.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 7240238 is about 2690.7690350530. The cubic root of 7240238 is about 193.4569252026.

The spelling of 7240238 in words is "seven million, two hundred forty thousand, two hundred thirty-eight".