730496489 has 16 divisors (see below), whose sum is σ = 750720000. Its totient is φ = 710648640.

The previous prime is 730496471. The next prime is 730496521. The reversal of 730496489 is 984694037.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-730496489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730496189) 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, 2695424 + ... + 2695694.

It is an arithmetic number, because the mean of its divisors is an integer number (46920000).

Almost surely, 2^730496489 is an apocalyptic number.

730496489 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

730496489 is a deficient number, since it is larger than the sum of its proper divisors (20223511).

730496489 is a wasteful number, since it uses less digits than its factorization.

730496489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 730496489 is about 27027.6985516710. The cubic root of 730496489 is about 900.6154181770.

The spelling of 730496489 in words is "seven hundred thirty million, four hundred ninety-six thousand, four hundred eighty-nine".