94645728 has 72 divisors (see below), whose sum is σ = 277857216. Its totient is φ = 30528000.

The previous prime is 94645721. The next prime is 94645729. The reversal of 94645728 is 82754649.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×94645728³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94645721) 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, 3628 + ... + 14228.

It is an arithmetic number, because the mean of its divisors is an integer number (3859128).

Almost surely, 2^94645728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 94645728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138928608).

94645728 is an abundant number, since it is smaller than the sum of its proper divisors (183211488).

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

94645728 is a wasteful number, since it uses less digits than its factorization.

94645728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10648 (or 10637 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 94645728 is about 9728.6035996951. The cubic root of 94645728 is about 455.7223610010.

The spelling of 94645728 in words is "ninety-four million, six hundred forty-five thousand, seven hundred twenty-eight".