84472130 has 8 divisors (see below), whose sum is σ = 152049852. Its totient is φ = 33788848.

The previous prime is 84472111. The next prime is 84472151. The reversal of 84472130 is 3127448.

It can be written as a sum of positive squares in 2 ways, for example, as 84254041 + 218089 = 9179^2 + 467^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 84472093 and 84472102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4223597 + ... + 4223616.

Almost surely, 2^84472130 is an apocalyptic number.

84472130 is a deficient number, since it is larger than the sum of its proper divisors (67577722).

84472130 is a wasteful number, since it uses less digits than its factorization.

84472130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8447220.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 84472130 is about 9190.8721022545. The cubic root of 84472130 is about 438.7708983209.

Adding to 84472130 its reverse (3127448), we get a palindrome (87599578).

The spelling of 84472130 in words is "eighty-four million, four hundred seventy-two thousand, one hundred thirty".