187472044 has 24 divisors (see below), whose sum is σ = 338109408. Its totient is φ = 90887040.

The previous prime is 187472027. The next prime is 187472063. The reversal of 187472044 is 440274781.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 187471994 and 187472012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43992 + ... + 48064.

It is an arithmetic number, because the mean of its divisors is an integer number (14087892).

Almost surely, 2^187472044 is an apocalyptic number.

It is an amenable number.

187472044 is a deficient number, since it is larger than the sum of its proper divisors (150637364).

187472044 is a wasteful number, since it uses less digits than its factorization.

187472044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425 (or 4423 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 37.

The square root of 187472044 is about 13692.0430907882. The cubic root of 187472044 is about 572.3286739683.

The spelling of 187472044 in words is "one hundred eighty-seven million, four hundred seventy-two thousand, forty-four".