4537881672 has 32 divisors (see below), whose sum is σ = 12012040800. Its totient is φ = 1423649024.

The previous prime is 4537881643. The next prime is 4537881679. The reversal of 4537881672 is 2761887354.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (4537881679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5560722 + ... + 5561537.

It is an arithmetic number, because the mean of its divisors is an integer number (375376275).

Almost surely, 2^4537881672 is an apocalyptic number.

It is an amenable number.

4537881672 is an abundant number, since it is smaller than the sum of its proper divisors (7474159128).

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

4537881672 is a wasteful number, since it uses less digits than its factorization.

4537881672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11122285 (or 11122281 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The square root of 4537881672 is about 67363.8009022650. The cubic root of 4537881672 is about 1655.5833714675.

The spelling of 4537881672 in words is "four billion, five hundred thirty-seven million, eight hundred eighty-one thousand, six hundred seventy-two".