187472072 has 8 divisors (see below), whose sum is σ = 351510150. Its totient is φ = 93736032.

The previous prime is 187472063. The next prime is 187472099. The reversal of 187472072 is 270274781.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 180257476 + 7214596 = 13426^2 + 2686^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11716997 + ... + 11717012.

Almost surely, 2^187472072 is an apocalyptic number.

It is an amenable number.

187472072 is a deficient number, since it is larger than the sum of its proper divisors (164038078).

187472072 is a wasteful number, since it uses less digits than its factorization.

187472072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23434015 (or 23434011 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 187472072 is about 13692.0441132798. The cubic root of 187472072 is about 572.3287024618.

The spelling of 187472072 in words is "one hundred eighty-seven million, four hundred seventy-two thousand, seventy-two".