728430152 has 16 divisors (see below), whose sum is σ = 1367074800. Its totient is φ = 363876880.

The previous prime is 728430103. The next prime is 728430163. The reversal of 728430152 is 251034827.

It is a super-2 number, since 2×728430152² = 1061220972685486208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33002 + ... + 50457.

It is an arithmetic number, because the mean of its divisors is an integer number (85442175).

Almost surely, 2^728430152 is an apocalyptic number.

It is an amenable number.

728430152 is a deficient number, since it is larger than the sum of its proper divisors (638644648).

728430152 is a wasteful number, since it uses less digits than its factorization.

728430152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84556 (or 84552 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 728430152 is about 26989.4451962244. The cubic root of 728430152 is about 899.7654335206.

Adding to 728430152 its reverse (251034827), we get a palindrome (979464979).

The spelling of 728430152 in words is "seven hundred twenty-eight million, four hundred thirty thousand, one hundred fifty-two".