728142230 has 8 divisors (see below), whose sum is σ = 1310656032. Its totient is φ = 291256888.

The previous prime is 728142209. The next prime is 728142251. The reversal of 728142230 is 32241827.

728142230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (728142209) and next prime (728142251).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×728142230² = 1060382214218745800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 728142193 and 728142202.

It is a congruent number.

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, 36407102 + ... + 36407121.

It is an arithmetic number, because the mean of its divisors is an integer number (163832004).

Almost surely, 2^728142230 is an apocalyptic number.

728142230 is a deficient number, since it is larger than the sum of its proper divisors (582513802).

728142230 is a wasteful number, since it uses less digits than its factorization.

728142230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72814230.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 728142230 is about 26984.1106949998. The cubic root of 728142230 is about 899.6468696919.

The spelling of 728142230 in words is "seven hundred twenty-eight million, one hundred forty-two thousand, two hundred thirty".