192673728 has 168 divisors, whose sum is σ = 617421168. Its totient is φ = 59222016.

The previous prime is 192673687. The next prime is 192673729. The reversal of 192673728 is 827376291.

192673728 is a `hidden beast` number, since 19 + 267 + 372 + 8 = 666.

It is a super-2 number, since 2×192673728² = 74246330922835968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192673729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201700 + ... + 202652.

It is an arithmetic number, because the mean of its divisors is an integer number (3675126).

Almost surely, 2^192673728 is an apocalyptic number.

192673728 is a gapful number since it is divisible by the number (18) 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 192673728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308710584).

192673728 is an abundant number, since it is smaller than the sum of its proper divisors (424747440).

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

192673728 is an equidigital number, since it uses as much as digits as its factorization.

192673728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 971 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 192673728 is about 13880.6962361403. The cubic root of 192673728 is about 577.5738208887.

The spelling of 192673728 in words is "one hundred ninety-two million, six hundred seventy-three thousand, seven hundred twenty-eight".