731465120 has 48 divisors (see below), whose sum is σ = 1829745288. Its totient is φ = 275374080.

The previous prime is 731465039. The next prime is 731465123. The reversal of 731465120 is 21564137.

It can be written as a sum of positive squares in 4 ways, for example, as 478909456 + 252555664 = 21884^2 + 15892^2 .

It is a super-3 number, since 3×731465120³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (731465123) 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, 131741 + ... + 137180.

Almost surely, 2^731465120 is an apocalyptic number.

It is an amenable number.

731465120 is an abundant number, since it is smaller than the sum of its proper divisors (1098280168).

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

731465120 is a wasteful number, since it uses less digits than its factorization.

731465120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268953 (or 268945 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 731465120 is about 27045.6118436984. The cubic root of 731465120 is about 901.0133113579.

The spelling of 731465120 in words is "seven hundred thirty-one million, four hundred sixty-five thousand, one hundred twenty".