7542000238 has 4 divisors (see below), whose sum is σ = 11313000360. Its totient is φ = 3771000118.

The previous prime is 7542000233. The next prime is 7542000253. The reversal of 7542000238 is 8320002457.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7542000233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1885500058 + ... + 1885500061.

It is an arithmetic number, because the mean of its divisors is an integer number (2828250090).

Almost surely, 2^7542000238 is an apocalyptic number.

7542000238 is a deficient number, since it is larger than the sum of its proper divisors (3771000122).

7542000238 is a wasteful number, since it uses less digits than its factorization.

7542000238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771000121.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 7542000238 is about 86844.6903270430. The cubic root of 7542000238 is about 1961.0809182491.

It can be divided in two parts, 7 and 542000238, that added together give a palindrome (542000245).

The spelling of 7542000238 in words is "seven billion, five hundred forty-two million, two hundred thirty-eight", and thus it is an aban number.