1080073872 has 40 divisors (see below), whose sum is σ = 3100213280. Its totient is φ = 360024480.

The previous prime is 1080073861. The next prime is 1080073873. The reversal of 1080073872 is 2783700801.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1080073873) 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, 1249654 + ... + 1250517.

It is an arithmetic number, because the mean of its divisors is an integer number (77505332).

Almost surely, 2^1080073872 is an apocalyptic number.

1080073872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1080073872 is an abundant number, since it is smaller than the sum of its proper divisors (2020139408).

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

1080073872 is a wasteful number, since it uses less digits than its factorization.

1080073872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500188 (or 2500176 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 1080073872 is about 32864.4773577795. The cubic root of 1080073872 is about 1026.0089599436.

The spelling of 1080073872 in words is "one billion, eighty million, seventy-three thousand, eight hundred seventy-two".