1036447872 has 64 divisors (see below), whose sum is σ = 2897983200. Its totient is φ = 327297024.

The previous prime is 1036447859. The next prime is 1036447879. The reversal of 1036447872 is 2787446301.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1036447879) 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, 63733 + ... + 78324.

Almost surely, 2^1036447872 is an apocalyptic number.

1036447872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1036447872 is an abundant number, since it is smaller than the sum of its proper divisors (1861535328).

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

1036447872 is a wasteful number, since it uses less digits than its factorization.

1036447872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142093 (or 142081 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 1036447872 is about 32193.9104800892. The cubic root of 1036447872 is about 1012.0046034984.

The spelling of 1036447872 in words is "one billion, thirty-six million, four hundred forty-seven thousand, eight hundred seventy-two".