194342720 has 224 divisors, whose sum is σ = 565318656. Its totient is φ = 62668800.

The previous prime is 194342713. The next prime is 194342741. The reversal of 194342720 is 27243491.

194342720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1418492 + ... + 1418628.

It is an arithmetic number, because the mean of its divisors is an integer number (2523744).

Almost surely, 2^194342720 is an apocalyptic number.

194342720 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 194342720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282659328).

194342720 is an abundant number, since it is smaller than the sum of its proper divisors (370975936).

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

194342720 is a wasteful number, since it uses less digits than its factorization.

194342720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 194342720 is about 13940.6857794012. The cubic root of 194342720 is about 579.2367288451.

The spelling of 194342720 in words is "one hundred ninety-four million, three hundred forty-two thousand, seven hundred twenty".