720751032 has 24 divisors (see below), whose sum is σ = 1952034240. Its totient is φ = 240250320.

The previous prime is 720751019. The next prime is 720751039. The reversal of 720751032 is 230157027.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 720750987 and 720751005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720751039) 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 5 ways as a sum of consecutive naturals, for example, 5005144 + ... + 5005287.

It is an arithmetic number, because the mean of its divisors is an integer number (81334760).

Almost surely, 2^720751032 is an apocalyptic number.

720751032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

720751032 is an abundant number, since it is smaller than the sum of its proper divisors (1231283208).

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

720751032 is a wasteful number, since it uses less digits than its factorization.

720751032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010443 (or 10010436 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 720751032 is about 26846.8067374874. The cubic root of 720751032 is about 896.5924779041.

The spelling of 720751032 in words is "seven hundred twenty million, seven hundred fifty-one thousand, thirty-two".