194650072 has 8 divisors (see below), whose sum is σ = 364968900. Its totient is φ = 97325032.

The previous prime is 194650063. The next prime is 194650073. The reversal of 194650072 is 270056491.

194650072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194650073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12165622 + ... + 12165637.

Almost surely, 2^194650072 is an apocalyptic number.

194650072 is the 7458-th centered heptagonal number.

It is an amenable number.

194650072 is a deficient number, since it is larger than the sum of its proper divisors (170318828).

194650072 is a wasteful number, since it uses less digits than its factorization.

194650072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24331265 (or 24331261 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 194650072 is about 13951.7049854131. The cubic root of 194650072 is about 579.5419213053.

The spelling of 194650072 in words is "one hundred ninety-four million, six hundred fifty thousand, seventy-two".