7538442 has 8 divisors (see below), whose sum is σ = 15076896. Its totient is φ = 2512812.

The previous prime is 7538423. The next prime is 7538449. The reversal of 7538442 is 2448357.

It is a sphenic number, since it is the product of 3 distinct primes.

7538442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (7538449) 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, 628198 + ... + 628209.

It is an arithmetic number, because the mean of its divisors is an integer number (1884612).

Almost surely, 2^7538442 is an apocalyptic number.

7538442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7538442 is a wasteful number, since it uses less digits than its factorization.

7538442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256412.

The product of its digits is 26880, while the sum is 33.

The square root of 7538442 is about 2745.6223338252. The cubic root of 7538442 is about 196.0772463812.

The spelling of 7538442 in words is "seven million, five hundred thirty-eight thousand, four hundred forty-two".