194488072 has 16 divisors (see below), whose sum is σ = 370846800. Its totient is φ = 95595600.

The previous prime is 194488057. The next prime is 194488081. The reversal of 194488072 is 270884491.

194488072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×194488072² = 75651220300554368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205554 + ... + 206497.

It is an arithmetic number, because the mean of its divisors is an integer number (23177925).

Almost surely, 2^194488072 is an apocalyptic number.

It is an amenable number.

194488072 is a deficient number, since it is larger than the sum of its proper divisors (176358728).

194488072 is a wasteful number, since it uses less digits than its factorization.

194488072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412116 (or 412112 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 194488072 is about 13945.8980349062. The cubic root of 194488072 is about 579.3810996349.

The spelling of 194488072 in words is "one hundred ninety-four million, four hundred eighty-eight thousand, seventy-two".