7642338 has 16 divisors (see below), whose sum is σ = 16674336. Its totient is φ = 2315840.

The previous prime is 7642331. The next prime is 7642343. The reversal of 7642338 is 8332467.

7642338 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 7642299 and 7642308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7642331) 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, 57831 + ... + 57962.

It is an arithmetic number, because the mean of its divisors is an integer number (1042146).

Almost surely, 2^7642338 is an apocalyptic number.

7642338 is an abundant number, since it is smaller than the sum of its proper divisors (9031998).

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

7642338 is a wasteful number, since it uses less digits than its factorization.

7642338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115809.

The product of its digits is 24192, while the sum is 33.

The square root of 7642338 is about 2764.4778892225. The cubic root of 7642338 is about 196.9739287133.

The spelling of 7642338 in words is "seven million, six hundred forty-two thousand, three hundred thirty-eight".