7320735 has 12 divisors (see below), whose sum is σ = 12689352. Its totient is φ = 3904368.

The previous prime is 7320721. The next prime is 7320737. The reversal of 7320735 is 5370237.

It is not a de Polignac number, because 7320735 - 2¹⁸ = 7058591 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7320699 and 7320708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7320737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81297 + ... + 81386.

It is an arithmetic number, because the mean of its divisors is an integer number (1057446).

Almost surely, 2^7320735 is an apocalyptic number.

7320735 is a deficient number, since it is larger than the sum of its proper divisors (5368617).

7320735 is a wasteful number, since it uses less digits than its factorization.

7320735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162694 (or 162691 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 7320735 is about 2705.6856801927. The cubic root of 7320735 is about 194.1712361364.

The spelling of 7320735 in words is "seven million, three hundred twenty thousand, seven hundred thirty-five".