1073871620 has 24 divisors (see below), whose sum is σ = 2327877888. Its totient is φ = 415692000.

The previous prime is 1073871613. The next prime is 1073871649. The reversal of 1073871620 is 261783701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865406 + ... + 866645.

It is an arithmetic number, because the mean of its divisors is an integer number (96994912).

Almost surely, 2^1073871620 is an apocalyptic number.

1073871620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1073871620 is an abundant number, since it is smaller than the sum of its proper divisors (1254006268).

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

1073871620 is a wasteful number, since it uses less digits than its factorization.

1073871620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732091 (or 1732089 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 1073871620 is about 32769.9804699362. The cubic root of 1073871620 is about 1024.0412593747.

The spelling of 1073871620 in words is "one billion, seventy-three million, eight hundred seventy-one thousand, six hundred twenty".