7662138 has 32 divisors (see below), whose sum is σ = 17703360. Its totient is φ = 2184960.

The previous prime is 7662103. The next prime is 7662139. The reversal of 7662138 is 8312667.

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 = 7662099 and 7662108.

It is not an unprimeable number, because it can be changed into a prime (7662139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2293 + ... + 4536.

It is an arithmetic number, because the mean of its divisors is an integer number (553230).

Almost surely, 2^7662138 is an apocalyptic number.

7662138 is an abundant number, since it is smaller than the sum of its proper divisors (10041222).

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

7662138 is a wasteful number, since it uses less digits than its factorization.

7662138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862.

The product of its digits is 12096, while the sum is 33.

The square root of 7662138 is about 2768.0567190721. The cubic root of 7662138 is about 197.1438906838.

The spelling of 7662138 in words is "seven million, six hundred sixty-two thousand, one hundred thirty-eight".