731346272 has 48 divisors (see below), whose sum is σ = 1524966912. Its totient is φ = 344530560.

The previous prime is 731346211. The next prime is 731346289. The reversal of 731346272 is 272643137.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41897 + ... + 56727.

It is an arithmetic number, because the mean of its divisors is an integer number (31770144).

Almost surely, 2^731346272 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 731346272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762483456).

731346272 is an abundant number, since it is smaller than the sum of its proper divisors (793620640).

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

731346272 is a wasteful number, since it uses less digits than its factorization.

731346272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14931 (or 14923 counting only the distinct ones).

The product of its digits is 42336, while the sum is 35.

The square root of 731346272 is about 27043.4145773051. The cubic root of 731346272 is about 900.9645100197.

The spelling of 731346272 in words is "seven hundred thirty-one million, three hundred forty-six thousand, two hundred seventy-two".