64534347 has 16 divisors (see below), whose sum is σ = 95740960. Its totient is φ = 42962400.

The previous prime is 64534339. The next prime is 64534361. The reversal of 64534347 is 74343546.

It is a happy number.

64534347 is a `hidden beast` number, since 645 + 3 + 4 + 3 + 4 + 7 = 666.

It is not a de Polignac number, because 64534347 - 2³ = 64534339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64534387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26397 + ... + 28737.

It is an arithmetic number, because the mean of its divisors is an integer number (5983810).

Almost surely, 2^64534347 is an apocalyptic number.

64534347 is a deficient number, since it is larger than the sum of its proper divisors (31206613).

64534347 is a wasteful number, since it uses less digits than its factorization.

64534347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371 (or 3365 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 64534347 is about 8033.3272683241. The cubic root of 64534347 is about 401.1101390446.

The spelling of 64534347 in words is "sixty-four million, five hundred thirty-four thousand, three hundred forty-seven".