731617480 has 64 divisors (see below), whose sum is σ = 1837598400. Its totient is φ = 259848960.

The previous prime is 731617451. The next prime is 731617487. The reversal of 731617480 is 84716137.

731617480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (731617487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415 + ... + 38254.

It is an arithmetic number, because the mean of its divisors is an integer number (28712475).

Almost surely, 2^731617480 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 731617480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (918799200).

731617480 is an abundant number, since it is smaller than the sum of its proper divisors (1105980920).

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

731617480 is a wasteful number, since it uses less digits than its factorization.

731617480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38734 (or 38730 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 731617480 is about 27048.4284201504. The cubic root of 731617480 is about 901.0758656543.

The spelling of 731617480 in words is "seven hundred thirty-one million, six hundred seventeen thousand, four hundred eighty".