1871325740 has 12 divisors (see below), whose sum is σ = 3929784096. Its totient is φ = 748530288.

The previous prime is 1871325737. The next prime is 1871325769. The reversal of 1871325740 is 475231781.

It is a junction number, because it is equal to n+sod(n) for n = 1871325694 and 1871325703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46783124 + ... + 46783163.

It is an arithmetic number, because the mean of its divisors is an integer number (327482008).

Almost surely, 2^1871325740 is an apocalyptic number.

1871325740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1871325740 is an abundant number, since it is smaller than the sum of its proper divisors (2058458356).

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

1871325740 is a wasteful number, since it uses less digits than its factorization.

1871325740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93566296 (or 93566294 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 1871325740 is about 43258.8226839335. The cubic root of 1871325740 is about 1232.3000434035.

The spelling of 1871325740 in words is "one billion, eight hundred seventy-one million, three hundred twenty-five thousand, seven hundred forty".