7212742 has 16 divisors (see below), whose sum is σ = 11442240. Its totient is φ = 3400488.

The previous prime is 7212727. The next prime is 7212757. The reversal of 7212742 is 2472127.

It is an interprime number because it is at equal distance from previous prime (7212727) and next prime (7212757).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12913 + ... + 13459.

It is an arithmetic number, because the mean of its divisors is an integer number (715140).

Almost surely, 2^7212742 is an apocalyptic number.

7212742 is a deficient number, since it is larger than the sum of its proper divisors (4229498).

7212742 is a wasteful number, since it uses less digits than its factorization.

7212742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915.

The product of its digits is 1568, while the sum is 25.

The square root of 7212742 is about 2685.6548549655. The cubic root of 7212742 is about 193.2117196588.

Adding to 7212742 its reverse (2472127), we get a palindrome (9684869).

The spelling of 7212742 in words is "seven million, two hundred twelve thousand, seven hundred forty-two".