190973530 has 32 divisors (see below), whose sum is σ = 379235520. Its totient is φ = 68661120.

The previous prime is 190973521. The next prime is 190973533. The reversal of 190973530 is 35379091.

It is a super-3 number, since 3×190973530³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 190973530.

It is not an unprimeable number, because it can be changed into a prime (190973533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37 + ... + 19543.

It is an arithmetic number, because the mean of its divisors is an integer number (11851110).

Almost surely, 2^190973530 is an apocalyptic number.

190973530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190973530 is a deficient number, since it is larger than the sum of its proper divisors (188261990).

190973530 is a wasteful number, since it uses less digits than its factorization.

190973530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19614.

The product of its (nonzero) digits is 25515, while the sum is 37.

The square root of 190973530 is about 13819.3172769135. The cubic root of 190973530 is about 575.8699170140.

The spelling of 190973530 in words is "one hundred ninety million, nine hundred seventy-three thousand, five hundred thirty".