190868720 has 240 divisors, whose sum is σ = 564874560. Its totient is φ = 59609088.

The previous prime is 190868719. The next prime is 190868731. The reversal of 190868720 is 27868091.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2614604 + ... + 2614676.

It is an arithmetic number, because the mean of its divisors is an integer number (2353644).

Almost surely, 2^190868720 is an apocalyptic number.

190868720 is a gapful number since it is divisible by the number (10) 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 190868720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282437280).

190868720 is an abundant number, since it is smaller than the sum of its proper divisors (374005840).

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

190868720 is a wasteful number, since it uses less digits than its factorization.

190868720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 190868720 is about 13815.5246009697. The cubic root of 190868720 is about 575.7645481861.

The spelling of 190868720 in words is "one hundred ninety million, eight hundred sixty-eight thousand, seven hundred twenty".