7320489 has 16 divisors (see below), whose sum is σ = 11275200. Its totient is φ = 4175360.

The previous prime is 7320473. The next prime is 7320497. The reversal of 7320489 is 9840237.

7320489 = T₃₃₄ + T₃₃₅ + ... + T₄₃₂.

It is a cyclic number.

It is not a de Polignac number, because 7320489 - 2⁴ = 7320473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7320409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5964 + ... + 7085.

It is an arithmetic number, because the mean of its divisors is an integer number (704700).

Almost surely, 2^7320489 is an apocalyptic number.

It is an amenable number.

7320489 is a deficient number, since it is larger than the sum of its proper divisors (3954711).

7320489 is a wasteful number, since it uses less digits than its factorization.

7320489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13080.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 7320489 is about 2705.6402199849. The cubic root of 7320489 is about 194.1690611881.

It can be divided in two parts, 73204 and 89, that multiplied together give a palindrome (6515156).

The spelling of 7320489 in words is "seven million, three hundred twenty thousand, four hundred eighty-nine".