194725902 has 48 divisors (see below), whose sum is σ = 454591872. Its totient is φ = 55607160.

The previous prime is 194725897. The next prime is 194725903. The reversal of 194725902 is 209527491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194725903) 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 23 ways as a sum of consecutive naturals, for example, 99877 + ... + 101807.

It is an arithmetic number, because the mean of its divisors is an integer number (9470664).

Almost surely, 2^194725902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194725902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227295936).

194725902 is an abundant number, since it is smaller than the sum of its proper divisors (259865970).

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

194725902 is an frugal number, since it uses more digits than its factorization.

194725902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 194725902 is about 13954.4223097913. The cubic root of 194725902 is about 579.6171690870.

The spelling of 194725902 in words is "one hundred ninety-four million, seven hundred twenty-five thousand, nine hundred two".