94478580 has 144 divisors (see below), whose sum is σ = 330220800. Its totient is φ = 21417984.

The previous prime is 94478551. The next prime is 94478581. The reversal of 94478580 is 8587449.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94478581) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 210196 + ... + 210644.

It is an arithmetic number, because the mean of its divisors is an integer number (2293200).

Almost surely, 2^94478580 is an apocalyptic number.

94478580 is a gapful number since it is divisible by the number (90) 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 94478580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165110400).

94478580 is an abundant number, since it is smaller than the sum of its proper divisors (235742220).

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

94478580 is a wasteful number, since it uses less digits than its factorization.

94478580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 94478580 is about 9720.0092592548. The cubic root of 94478580 is about 455.4539285058.

It can be divided in two parts, 944 and 78580, that added together give a square (79524 = 282²).

The spelling of 94478580 in words is "ninety-four million, four hundred seventy-eight thousand, five hundred eighty".