65187472 has 20 divisors (see below), whose sum is σ = 144343936. Its totient is φ = 27937440.

The previous prime is 65187431. The next prime is 65187491. The reversal of 65187472 is 27478156.

65187472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 290904 + ... + 291127.

Almost surely, 2^65187472 is an apocalyptic number.

It is an amenable number.

65187472 is an abundant number, since it is smaller than the sum of its proper divisors (79156464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65187472 is a wasteful number, since it uses less digits than its factorization.

65187472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582046 (or 582040 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 65187472 is about 8073.8758969902. The cubic root of 65187472 is about 402.4587553381.

The spelling of 65187472 in words is "sixty-five million, one hundred eighty-seven thousand, four hundred seventy-two".