7438722 has 16 divisors (see below), whose sum is σ = 14928192. Its totient is φ = 2471120.

The previous prime is 7438721. The next prime is 7438727. The reversal of 7438722 is 2278347.

It is not an unprimeable number, because it can be changed into a prime (7438721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54 + ... + 3857.

It is an arithmetic number, because the mean of its divisors is an integer number (933012).

Almost surely, 2^7438722 is an apocalyptic number.

7438722 is an abundant number, since it is smaller than the sum of its proper divisors (7489470).

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

7438722 is a wasteful number, since it uses less digits than its factorization.

7438722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233.

The product of its digits is 18816, while the sum is 33.

The square root of 7438722 is about 2727.4020605697. The cubic root of 7438722 is about 195.2088229742.

The spelling of 7438722 in words is "seven million, four hundred thirty-eight thousand, seven hundred twenty-two".