64031147 has 8 divisors (see below), whose sum is σ = 65136576. Its totient is φ = 62932032.

The previous prime is 64031119. The next prime is 64031167. The reversal of 64031147 is 74113046.

64031147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64031147 - 2¹⁸ = 63769003 is a prime.

It is a super-2 number, since 2×64031147² = 8199975572271218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64031167) by changing a digit.

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, 21758 + ... + 24524.

It is an arithmetic number, because the mean of its divisors is an integer number (8142072).

Almost surely, 2^64031147 is an apocalyptic number.

64031147 is a deficient number, since it is larger than the sum of its proper divisors (1105429).

64031147 is a wasteful number, since it uses less digits than its factorization.

64031147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 64031147 is about 8001.9464507081. The cubic root of 64031147 is about 400.0648790595.

The spelling of 64031147 in words is "sixty-four million, thirty-one thousand, one hundred forty-seven".