190700000 has 72 divisors (see below), whose sum is σ = 469516824. Its totient is φ = 76240000.

The previous prime is 190699997. The next prime is 190700021. The reversal of 190700000 is 7091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99047 + ... + 100953.

It is an arithmetic number, because the mean of its divisors is an integer number (6521067).

Almost surely, 2^190700000 is an apocalyptic number.

190700000 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 190700000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234758412).

190700000 is an abundant number, since it is smaller than the sum of its proper divisors (278816824).

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

190700000 is an frugal number, since it uses more digits than its factorization.

190700000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942 (or 1914 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 190700000 is about 13809.4170767632. The cubic root of 190700000 is about 575.5948475456.

Adding to 190700000 its reverse (7091), we get a palindrome (190707091).

The spelling of 190700000 in words is "one hundred ninety million, seven hundred thousand".