730570752 has 168 divisors, whose sum is σ = 2194535616. Its totient is φ = 242860032.

The previous prime is 730570741. The next prime is 730570783. The reversal of 730570752 is 257075037.

730570752 is a `hidden beast` number, since 7 + 30 + 570 + 7 + 52 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1990473 + ... + 1990839.

It is an arithmetic number, because the mean of its divisors is an integer number (13062712).

Almost surely, 2^730570752 is an apocalyptic number.

730570752 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730570752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1097267808).

730570752 is an abundant number, since it is smaller than the sum of its proper divisors (1463964864).

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

730570752 is an frugal number, since it uses more digits than its factorization.

730570752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 51450, while the sum is 36.

The square root of 730570752 is about 27029.0723481218. The cubic root of 730570752 is about 900.6459362961.

The spelling of 730570752 in words is "seven hundred thirty million, five hundred seventy thousand, seven hundred fifty-two".