731505252 has 12 divisors (see below), whose sum is σ = 1706845616. Its totient is φ = 243835080.

The previous prime is 731505241. The next prime is 731505259. The reversal of 731505252 is 252505137.

731505252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (731505259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30479374 + ... + 30479397.

Almost surely, 2^731505252 is an apocalyptic number.

It is an amenable number.

731505252 is an abundant number, since it is smaller than the sum of its proper divisors (975340364).

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

731505252 is a wasteful number, since it uses less digits than its factorization.

731505252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60958778 (or 60958776 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 731505252 is about 27046.3537653415. The cubic root of 731505252 is about 901.0297891566.

The spelling of 731505252 in words is "seven hundred thirty-one million, five hundred five thousand, two hundred fifty-two".