7342542 has 32 divisors (see below), whose sum is σ = 16416000. Its totient is φ = 2432664.

The previous prime is 7342537. The next prime is 7342549. The reversal of 7342542 is 2452437.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7342549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11959 + ... + 12557.

It is an arithmetic number, because the mean of its divisors is an integer number (513000).

Almost surely, 2^7342542 is an apocalyptic number.

7342542 is an abundant number, since it is smaller than the sum of its proper divisors (9073458).

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

7342542 is a wasteful number, since it uses less digits than its factorization.

7342542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837 (or 831 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 7342542 is about 2709.7125308785. The cubic root of 7342542 is about 194.3638440608.

Adding to 7342542 its reverse (2452437), we get a palindrome (9794979).

The spelling of 7342542 in words is "seven million, three hundred forty-two thousand, five hundred forty-two".