64496147 has 8 divisors (see below), whose sum is σ = 68813712. Its totient is φ = 60236800.

The previous prime is 64496137. The next prime is 64496167. The reversal of 64496147 is 74169446.

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 64496147 - 2⁶ = 64496083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64496137) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 12254 + ... + 16707.

It is an arithmetic number, because the mean of its divisors is an integer number (8601714).

Almost surely, 2^64496147 is an apocalyptic number.

64496147 is a deficient number, since it is larger than the sum of its proper divisors (4317565).

64496147 is a wasteful number, since it uses less digits than its factorization.

64496147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29109.

The product of its digits is 145152, while the sum is 41.

The square root of 64496147 is about 8030.9493212198. The cubic root of 64496147 is about 401.0309800009.

The spelling of 64496147 in words is "sixty-four million, four hundred ninety-six thousand, one hundred forty-seven".