43672020 has 48 divisors (see below), whose sum is σ = 139751808. Its totient is φ = 9982080.

The previous prime is 43672001. The next prime is 43672021. The reversal of 43672020 is 2027634.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43672021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51571 + ... + 52410.

It is an arithmetic number, because the mean of its divisors is an integer number (2911496).

Almost surely, 2^43672020 is an apocalyptic number.

It is an amenable number.

43672020 is an abundant number, since it is smaller than the sum of its proper divisors (96079788).

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

43672020 is a wasteful number, since it uses less digits than its factorization.

43672020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104000 (or 103998 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 43672020 is about 6608.4809147035. The cubic root of 43672020 is about 352.1554603427.

Adding to 43672020 its reverse (2027634), we get a palindrome (45699654).

The spelling of 43672020 in words is "forty-three million, six hundred seventy-two thousand, twenty".