64672103 has 2 divisors, whose sum is σ = 64672104. Its totient is φ = 64672102.

The previous prime is 64672099. The next prime is 64672123. The reversal of 64672103 is 30127646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64672103 - 2² = 64672099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64672123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32336051 + 32336052.

It is an arithmetic number, because the mean of its divisors is an integer number (32336052).

Almost surely, 2^64672103 is an apocalyptic number.

64672103 is a deficient number, since it is larger than the sum of its proper divisors (1).

64672103 is an equidigital number, since it uses as much as digits as its factorization.

64672103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 64672103 is about 8041.8967290062. The cubic root of 64672103 is about 401.3953414789.

Adding to 64672103 its reverse (30127646), we get a palindrome (94799749).

The spelling of 64672103 in words is "sixty-four million, six hundred seventy-two thousand, one hundred three".