731155152 has 160 divisors (see below), whose sum is σ = 2357571328. Its totient is φ = 190107648.

The previous prime is 731155141. The next prime is 731155153. The reversal of 731155152 is 251551137.

It is a super-2 number, since 2×731155152² = 1069175712592286208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731155153) 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 31 ways as a sum of consecutive naturals, for example, 317718 + ... + 320010.

Almost surely, 2^731155152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 731155152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1178785664).

731155152 is an abundant number, since it is smaller than the sum of its proper divisors (1626416176).

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

731155152 is a wasteful number, since it uses less digits than its factorization.

731155152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397 (or 2391 counting only the distinct ones).

The product of its digits is 5250, while the sum is 30.

The square root of 731155152 is about 27039.8807689679. The cubic root of 731155152 is about 900.8860212812.

The spelling of 731155152 in words is "seven hundred thirty-one million, one hundred fifty-five thousand, one hundred fifty-two".