731004480 has 448 divisors, whose sum is σ = 2796844800. Its totient is φ = 179159040.

The previous prime is 731004433. The next prime is 731004503. The reversal of 731004480 is 84400137.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 63 ways as a sum of consecutive naturals, for example, 10013724 + ... + 10013796.

Almost surely, 2^731004480 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 731004480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1398422400).

731004480 is an abundant number, since it is smaller than the sum of its proper divisors (2065840320).

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

731004480 is a wasteful number, since it uses less digits than its factorization.

731004480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 731004480 is about 27037.0945184574. The cubic root of 731004480 is about 900.8241339954.

The spelling of 731004480 in words is "seven hundred thirty-one million, four thousand, four hundred eighty".