720002499 has 16 divisors (see below), whose sum is σ = 989551008. Its totient is φ = 465322752.

The previous prime is 720002489. The next prime is 720002531. The reversal of 720002499 is 994200027.

It is not a de Polignac number, because 720002499 - 2⁵ = 720002467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (720002489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19039 + ... + 42455.

It is an arithmetic number, because the mean of its divisors is an integer number (61846938).

Almost surely, 2^720002499 is an apocalyptic number.

720002499 is a deficient number, since it is larger than the sum of its proper divisors (269548509).

720002499 is a wasteful number, since it uses less digits than its factorization.

720002499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23734.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 720002499 is about 26832.8622960727. The cubic root of 720002499 is about 896.2819862575.

The spelling of 720002499 in words is "seven hundred twenty million, two thousand, four hundred ninety-nine".