730453992 has 64 divisors (see below), whose sum is σ = 1896652800. Its totient is φ = 234179520.

The previous prime is 730453979. The next prime is 730454009. The reversal of 730453992 is 299354037.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121309 + ... + 127187.

It is an arithmetic number, because the mean of its divisors is an integer number (29635200).

Almost surely, 2^730453992 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 730453992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (948326400).

730453992 is an abundant number, since it is smaller than the sum of its proper divisors (1166198808).

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

730453992 is a wasteful number, since it uses less digits than its factorization.

730453992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6086 (or 6082 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 730453992 is about 27026.9123652703. The cubic root of 730453992 is about 900.5979532536.

It can be divided in two parts, 730453 and 992, that added together give a triangular number (731445 = T₁₂₀₉).

The spelling of 730453992 in words is "seven hundred thirty million, four hundred fifty-three thousand, nine hundred ninety-two".