187242064 has 10 divisors (see below), whose sum is σ = 362781530. Its totient is φ = 93621024.

The previous prime is 187242059. The next prime is 187242101. The reversal of 187242064 is 460242781.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 186049600 + 1192464 = 13640^2 + 1092^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5851299 + ... + 5851330.

It is an arithmetic number, because the mean of its divisors is an integer number (36278153).

Almost surely, 2^187242064 is an apocalyptic number.

It is an amenable number.

187242064 is a deficient number, since it is larger than the sum of its proper divisors (175539466).

187242064 is a wasteful number, since it uses less digits than its factorization.

187242064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11702637 (or 11702631 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 187242064 is about 13683.6422052025. The cubic root of 187242064 is about 572.0945448232.

The spelling of 187242064 in words is "one hundred eighty-seven million, two hundred forty-two thousand, sixty-four".