1872242872 has 16 divisors (see below), whose sum is σ = 3663084240. Its totient is φ = 895420416.

The previous prime is 1872242863. The next prime is 1872242891. The reversal of 1872242872 is 2782422781.

It is a congruent number.

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, 5087433 + ... + 5087800.

It is an arithmetic number, because the mean of its divisors is an integer number (228942765).

Almost surely, 2^1872242872 is an apocalyptic number.

It is an amenable number.

1872242872 is a deficient number, since it is larger than the sum of its proper divisors (1790841368).

1872242872 is a wasteful number, since it uses less digits than its factorization.

1872242872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10175262 (or 10175258 counting only the distinct ones).

The product of its digits is 200704, while the sum is 43.

The square root of 1872242872 is about 43269.4219050821. The cubic root of 1872242872 is about 1232.5013262332.

It can be divided in two parts, 187224 and 2872, that added together give a square (190096 = 436²).

The spelling of 1872242872 in words is "one billion, eight hundred seventy-two million, two hundred forty-two thousand, eight hundred seventy-two".