194607072 has 144 divisors (see below), whose sum is σ = 617041152. Its totient is φ = 57672960.

The previous prime is 194607059. The next prime is 194607107. The reversal of 194607072 is 270706491.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148243 + ... + 149549.

It is an arithmetic number, because the mean of its divisors is an integer number (4285008).

Almost surely, 2^194607072 is an apocalyptic number.

194607072 is a gapful number since it is divisible by the number (12) 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 194607072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308520576).

194607072 is an abundant number, since it is smaller than the sum of its proper divisors (422434080).

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

194607072 is a wasteful number, since it uses less digits than its factorization.

194607072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381 (or 1370 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 194607072 is about 13950.1638700053. The cubic root of 194607072 is about 579.4992427735.

The spelling of 194607072 in words is "one hundred ninety-four million, six hundred seven thousand, seventy-two".