1872149732 has 6 divisors (see below), whose sum is σ = 3276262038. Its totient is φ = 936074864.

The previous prime is 1872149729. The next prime is 1872149753. The reversal of 1872149732 is 2379412781.

It can be written as a sum of positive squares in only one way, i.e., 1779489856 + 92659876 = 42184^2 + 9626^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234018713 + ... + 234018720.

It is an arithmetic number, because the mean of its divisors is an integer number (546043673).

Almost surely, 2^1872149732 is an apocalyptic number.

It is an amenable number.

1872149732 is a deficient number, since it is larger than the sum of its proper divisors (1404112306).

1872149732 is a wasteful number, since it uses less digits than its factorization.

1872149732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468037437 (or 468037435 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 1872149732 is about 43268.3456120060. The cubic root of 1872149732 is about 1232.4808878099.

The spelling of 1872149732 in words is "one billion, eight hundred seventy-two million, one hundred forty-nine thousand, seven hundred thirty-two".