190374030 has 128 divisors (see below), whose sum is σ = 633000960. Its totient is φ = 39553920.

The previous prime is 190374011. The next prime is 190374031. The reversal of 190374030 is 30473091.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 190373985 and 190374003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190374031) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 16212 + ... + 25368.

It is an arithmetic number, because the mean of its divisors is an integer number (4945320).

Almost surely, 2^190374030 is an apocalyptic number.

190374030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 190374030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316500480).

190374030 is an abundant number, since it is smaller than the sum of its proper divisors (442626930).

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

190374030 is a wasteful number, since it uses less digits than its factorization.

190374030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9191 (or 9185 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 190374030 is about 13797.6095755750. The cubic root of 190374030 is about 575.2666992155.

The spelling of 190374030 in words is "one hundred ninety million, three hundred seventy-four thousand, thirty".