731292480 has 168 divisors, whose sum is σ = 2596798464. Its totient is φ = 188697600.

The previous prime is 731292473. The next prime is 731292509. The reversal of 731292480 is 84292137.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 85185 + ... + 93375.

Almost surely, 2^731292480 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 731292480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1298399232).

731292480 is an abundant number, since it is smaller than the sum of its proper divisors (1865505984).

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

731292480 is a wasteful number, since it uses less digits than its factorization.

731292480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8245 (or 8232 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 731292480 is about 27042.4200100509. The cubic root of 731292480 is about 900.9424202231.

The spelling of 731292480 in words is "seven hundred thirty-one million, two hundred ninety-two thousand, four hundred eighty".