94128725 has 6 divisors (see below), whose sum is σ = 116719650. Its totient is φ = 75302960.

The previous prime is 94128721. The next prime is 94128731. The reversal of 94128725 is 52782149.

It can be written as a sum of positive squares in 3 ways, for example, as 252004 + 93876721 = 502^2 + 9689^2 .

It is not a de Polignac number, because 94128725 - 2² = 94128721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94128721) 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 5 ways as a sum of consecutive naturals, for example, 1882550 + ... + 1882599.

It is an arithmetic number, because the mean of its divisors is an integer number (19453275).

Almost surely, 2^94128725 is an apocalyptic number.

It is an amenable number.

94128725 is a deficient number, since it is larger than the sum of its proper divisors (22590925).

94128725 is a wasteful number, since it uses less digits than its factorization.

94128725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3765159 (or 3765154 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 94128725 is about 9701.9959286736. The cubic root of 94128725 is about 454.8910498709.

The spelling of 94128725 in words is "ninety-four million, one hundred twenty-eight thousand, seven hundred twenty-five".