7426738 has 12 divisors (see below), whose sum is σ = 12245310. Its totient is φ = 3375680.

The previous prime is 7426733. The next prime is 7426747. The reversal of 7426738 is 8376247.

It can be written as a sum of positive squares in only one way, i.e., 4052169 + 3374569 = 2013^2 + 1837^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7426697 and 7426706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7426733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15103 + ... + 15586.

Almost surely, 2^7426738 is an apocalyptic number.

7426738 is a deficient number, since it is larger than the sum of its proper divisors (4818572).

7426738 is a wasteful number, since it uses less digits than its factorization.

7426738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30713 (or 30702 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 7426738 is about 2725.2042125316. The cubic root of 7426738 is about 195.1039375771.

It can be divided in two parts, 74267 and 38, that added together give a triangular number (74305 = T₃₈₅).

The spelling of 7426738 in words is "seven million, four hundred twenty-six thousand, seven hundred thirty-eight".