194770725 has 12 divisors (see below), whose sum is σ = 322021056. Its totient is φ = 103877680.

The previous prime is 194770721. The next prime is 194770727. The reversal of 194770725 is 527077491.

It is not a de Polignac number, because 194770725 - 2² = 194770721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194770721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1298397 + ... + 1298546.

It is an arithmetic number, because the mean of its divisors is an integer number (26835088).

Almost surely, 2^194770725 is an apocalyptic number.

194770725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194770725 is a deficient number, since it is larger than the sum of its proper divisors (127250331).

194770725 is a wasteful number, since it uses less digits than its factorization.

194770725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596956 (or 2596951 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 42.

The square root of 194770725 is about 13956.0282673832. The cubic root of 194770725 is about 579.6616387525.

The spelling of 194770725 in words is "one hundred ninety-four million, seven hundred seventy thousand, seven hundred twenty-five".