728290192 has 80 divisors (see below), whose sum is σ = 1700462592. Its totient is φ = 295562880.

The previous prime is 728290153. The next prime is 728290231. The reversal of 728290192 is 291092827.

It is an interprime number because it is at equal distance from previous prime (728290153) and next prime (728290231).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160953 + ... + 165415.

Almost surely, 2^728290192 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 728290192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850231296).

728290192 is an abundant number, since it is smaller than the sum of its proper divisors (972172400).

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

728290192 is a wasteful number, since it uses less digits than its factorization.

728290192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556 (or 4550 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 728290192 is about 26986.8522062133. The cubic root of 728290192 is about 899.7078030871.

The spelling of 728290192 in words is "seven hundred twenty-eight million, two hundred ninety thousand, one hundred ninety-two".