7275238 has 4 divisors (see below), whose sum is σ = 10912860. Its totient is φ = 3637618.

The previous prime is 7275227. The next prime is 7275239. The reversal of 7275238 is 8325727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8325727 = 113 ⋅73679.

It is a d-powerful number, because it can be written as 7² + 2² + 7³ + 5⁸ + 2²¹ + 3¹⁴ + 8⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7275239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1818808 + ... + 1818811.

It is an arithmetic number, because the mean of its divisors is an integer number (2728215).

Almost surely, 2^7275238 is an apocalyptic number.

7275238 is a deficient number, since it is larger than the sum of its proper divisors (3637622).

7275238 is a wasteful number, since it uses less digits than its factorization.

7275238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637621.

The product of its digits is 23520, while the sum is 34.

The square root of 7275238 is about 2697.2649109793. The cubic root of 7275238 is about 193.7681539701.

The spelling of 7275238 in words is "seven million, two hundred seventy-five thousand, two hundred thirty-eight".