720675424 has 48 divisors (see below), whose sum is σ = 1716912288. Its totient is φ = 290691072.

The previous prime is 720675421. The next prime is 720675427. The reversal of 720675424 is 424576027.

It is an interprime number because it is at equal distance from previous prime (720675421) and next prime (720675427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720675421) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 90819 + ... + 98434.

It is an arithmetic number, because the mean of its divisors is an integer number (35769006).

Almost surely, 2^720675424 is an apocalyptic number.

It is an amenable number.

720675424 is an abundant number, since it is smaller than the sum of its proper divisors (996236864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

720675424 is a wasteful number, since it uses less digits than its factorization.

720675424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189287 (or 189279 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 720675424 is about 26845.3985628822. The cubic root of 720675424 is about 896.5611254529.

The spelling of 720675424 in words is "seven hundred twenty million, six hundred seventy-five thousand, four hundred twenty-four".