94639725 has 24 divisors (see below), whose sum is σ = 173857920. Its totient is φ = 50474160.

The previous prime is 94639723. The next prime is 94639729. The reversal of 94639725 is 52793649.

It is a happy number.

94639725 is a `hidden beast` number, since 9 + 4 + 639 + 7 + 2 + 5 = 666.

It is not a de Polignac number, because 94639725 - 2¹ = 94639723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94639723) 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 23 ways as a sum of consecutive naturals, for example, 69429 + ... + 70778.

It is an arithmetic number, because the mean of its divisors is an integer number (7244080).

Almost surely, 2^94639725 is an apocalyptic number.

It is an amenable number.

94639725 is a deficient number, since it is larger than the sum of its proper divisors (79218195).

94639725 is a wasteful number, since it uses less digits than its factorization.

94639725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140226 (or 140215 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 94639725 is about 9728.2950715940. The cubic root of 94639725 is about 455.7127259150.

The spelling of 94639725 in words is "ninety-four million, six hundred thirty-nine thousand, seven hundred twenty-five".