7321936 has 10 divisors (see below), whose sum is σ = 14186282. Its totient is φ = 3660960.

The previous prime is 7321927. The next prime is 7321943. The reversal of 7321936 is 6391237.

It can be written as a sum of positive squares in only one way, i.e., 4579600 + 2742336 = 2140^2 + 1656^2 .

It is a super-2 number, since 2×7321936² = 107221493576192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7321898 and 7321907.

It is a congruent number.

It is an unprimeable number.

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, 228795 + ... + 228826.

Almost surely, 2^7321936 is an apocalyptic number.

It is an amenable number.

7321936 is a deficient number, since it is larger than the sum of its proper divisors (6864346).

7321936 is a wasteful number, since it uses less digits than its factorization.

7321936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457629 (or 457623 counting only the distinct ones).

The product of its digits is 6804, while the sum is 31.

The square root of 7321936 is about 2705.9076111353. The cubic root of 7321936 is about 194.1818537817.

The spelling of 7321936 in words is "seven million, three hundred twenty-one thousand, nine hundred thirty-six".