720149325 has 72 divisors (see below), whose sum is σ = 1466638272. Its totient is φ = 309818880.

The previous prime is 720149321. The next prime is 720149327. The reversal of 720149325 is 523941027.

It is not a de Polignac number, because 720149325 - 2² = 720149321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720149321) 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 71 ways as a sum of consecutive naturals, for example, 56712 + ... + 68238.

It is an arithmetic number, because the mean of its divisors is an integer number (20369976).

Almost surely, 2^720149325 is an apocalyptic number.

720149325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

720149325 is an abundant number, since it is smaller than the sum of its proper divisors (746488947).

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

720149325 is a wasteful number, since it uses less digits than its factorization.

720149325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11571 (or 11559 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 720149325 is about 26835.5980928318. The cubic root of 720149325 is about 896.3429066732.

The spelling of 720149325 in words is "seven hundred twenty million, one hundred forty-nine thousand, three hundred twenty-five".