190541720 has 32 divisors (see below), whose sum is σ = 429531120. Its totient is φ = 76072320.

The previous prime is 190541707. The next prime is 190541723. The reversal of 190541720 is 27145091.

It is a super-2 number, since 2×190541720² = 72612294121116800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190541723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18290 + ... + 26750.

Almost surely, 2^190541720 is an apocalyptic number.

190541720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190541720 is an abundant number, since it is smaller than the sum of its proper divisors (238989400).

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

190541720 is a wasteful number, since it uses less digits than its factorization.

190541720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9035 (or 9031 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 190541720 is about 13803.6850152414. The cubic root of 190541720 is about 575.4355565655.

The spelling of 190541720 in words is "one hundred ninety million, five hundred forty-one thousand, seven hundred twenty".