1073797872 has 160 divisors (see below), whose sum is σ = 3389783040. Its totient is φ = 286218240.

The previous prime is 1073797867. The next prime is 1073797883. The reversal of 1073797872 is 2787973701.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315154 + ... + 318542.

It is an arithmetic number, because the mean of its divisors is an integer number (21186144).

Almost surely, 2^1073797872 is an apocalyptic number.

1073797872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1073797872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1694891520).

1073797872 is an abundant number, since it is smaller than the sum of its proper divisors (2315985168).

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

1073797872 is a wasteful number, since it uses less digits than its factorization.

1073797872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471 (or 3465 counting only the distinct ones).

The product of its (nonzero) digits is 1037232, while the sum is 51.

The square root of 1073797872 is about 32768.8552134492. The cubic root of 1073797872 is about 1024.0178168694.

The spelling of 1073797872 in words is "one billion, seventy-three million, seven hundred ninety-seven thousand, eight hundred seventy-two".