64552347 has 24 divisors (see below), whose sum is σ = 97100640. Its totient is φ = 41274240.

The previous prime is 64552343. The next prime is 64552361. The reversal of 64552347 is 74325546.

64552347 is a `hidden beast` number, since 64 + 552 + 3 + 47 = 666.

It is not a de Polignac number, because 64552347 - 2² = 64552343 is a prime.

Its product of digits (100800) is a multiple of the sum of its prime divisors (1680).

It is not an unprimeable number, because it can be changed into a prime (64552343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42847 + ... + 44327.

It is an arithmetic number, because the mean of its divisors is an integer number (4045860).

Almost surely, 2^64552347 is an apocalyptic number.

64552347 is a deficient number, since it is larger than the sum of its proper divisors (32548293).

64552347 is a wasteful number, since it uses less digits than its factorization.

64552347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683 (or 1680 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 64552347 is about 8034.4475230099. The cubic root of 64552347 is about 401.1474282902.

The spelling of 64552347 in words is "sixty-four million, five hundred fifty-two thousand, three hundred forty-seven".