730081032 has 64 divisors (see below), whose sum is σ = 1896868800. Its totient is φ = 233882880.

The previous prime is 730081021. The next prime is 730081063. The reversal of 730081032 is 230180037.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 730080993 and 730081011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155682 + ... + 160302.

It is an arithmetic number, because the mean of its divisors is an integer number (29638575).

Almost surely, 2^730081032 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 730081032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (948434400).

730081032 is an abundant number, since it is smaller than the sum of its proper divisors (1166787768).

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

730081032 is a wasteful number, since it uses less digits than its factorization.

730081032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886 (or 4882 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 730081032 is about 27020.0116950382. The cubic root of 730081032 is about 900.4446494184. Note that the first 3 decimals are identical.

The spelling of 730081032 in words is "seven hundred thirty million, eighty-one thousand, thirty-two".