190725768 has 48 divisors (see below), whose sum is σ = 529155900. Its totient is φ = 62023680.

The previous prime is 190725761. The next prime is 190725791. The reversal of 190725768 is 867527091.

190725768 is a `hidden beast` number, since 1 + 9 + 0 + 72 + 576 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 187635204 + 3090564 = 13698^2 + 1758^2 .

It is not an unprimeable number, because it can be changed into a prime (190725761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29353 + ... + 35256.

Almost surely, 2^190725768 is an apocalyptic number.

190725768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

190725768 is an abundant number, since it is smaller than the sum of its proper divisors (338430132).

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

190725768 is a wasteful number, since it uses less digits than its factorization.

190725768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64662 (or 64655 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 190725768 is about 13810.3500317697. The cubic root of 190725768 is about 575.6207717897.

The spelling of 190725768 in words is "one hundred ninety million, seven hundred twenty-five thousand, seven hundred sixty-eight".