730152 has 24 divisors (see below), whose sum is σ = 1977690. Its totient is φ = 243360.

The previous prime is 730139. The next prime is 730157. The reversal of 730152 is 251037.

It can be written as a sum of positive squares in only one way, i.e., 695556 + 34596 = 834^2 + 186^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (730157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4999 + ... + 5142.

2⁷³⁰¹⁵² is an apocalyptic number.

730152 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

730152 is an abundant number, since it is smaller than the sum of its proper divisors (1247538).

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

730152 is a wasteful number, since it uses less digits than its factorization.

730152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10153 (or 10146 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 730152 is about 854.4893211738. The cubic root of 730152 is about 90.0473824575.

Adding to 730152 its reverse (251037), we get a palindrome (981189).

The spelling of 730152 in words is "seven hundred thirty thousand, one hundred fifty-two".