7291936 has 12 divisors (see below), whose sum is σ = 14356062. Its totient is φ = 3645952.

The previous prime is 7291931. The next prime is 7291939. The reversal of 7291936 is 6391927.

It can be written as a sum of positive squares in only one way, i.e., 7290000 + 1936 = 2700^2 + 44^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7291895 and 7291904.

It is not an unprimeable number, because it can be changed into a prime (7291931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113905 + ... + 113968.

Almost surely, 2^7291936 is an apocalyptic number.

It is an amenable number.

7291936 is a deficient number, since it is larger than the sum of its proper divisors (7064126).

7291936 is a wasteful number, since it uses less digits than its factorization.

7291936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227883 (or 227875 counting only the distinct ones).

The product of its digits is 20412, while the sum is 37.

The square root of 7291936 is about 2700.3584947188. The cubic root of 7291936 is about 193.9162851333.

Subtracting from 7291936 its reverse (6391927), we obtain a palindrome (900009).

It can be divided in two parts, 729 and 1936, that multiplied together give a square (1411344 = 1188²).

The spelling of 7291936 in words is "seven million, two hundred ninety-one thousand, nine hundred thirty-six".