7210542 has 16 divisors (see below), whose sum is σ = 14595840. Its totient is φ = 2374392.

The previous prime is 7210537. The next prime is 7210549. The reversal of 7210542 is 2450127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7210549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6742 + ... + 7737.

It is an arithmetic number, because the mean of its divisors is an integer number (912240).

Almost surely, 2^7210542 is an apocalyptic number.

7210542 is an abundant number, since it is smaller than the sum of its proper divisors (7385298).

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

7210542 is a wasteful number, since it uses less digits than its factorization.

7210542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14567.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 7210542 is about 2685.2452401969. The cubic root of 7210542 is about 193.1920734545.

Adding to 7210542 its reverse (2450127), we get a palindrome (9660669).

The spelling of 7210542 in words is "seven million, two hundred ten thousand, five hundred forty-two".