7882738 has 4 divisors (see below), whose sum is σ = 11824110. Its totient is φ = 3941368.

The previous prime is 7882733. The next prime is 7882741. The reversal of 7882738 is 8372887.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7469289 + 413449 = 2733^2 + 643^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7882694 and 7882703.

It is not an unprimeable number, because it can be changed into a prime (7882733) 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 as a sum of consecutive naturals, namely, 1970683 + ... + 1970686.

Almost surely, 2^7882738 is an apocalyptic number.

7882738 is a deficient number, since it is larger than the sum of its proper divisors (3941372).

7882738 is a wasteful number, since it uses less digits than its factorization.

7882738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941371.

The product of its digits is 150528, while the sum is 43.

The square root of 7882738 is about 2807.6214132251. The cubic root of 7882738 is about 199.0180029671.

The spelling of 7882738 in words is "seven million, eight hundred eighty-two thousand, seven hundred thirty-eight".