64420175 has 12 divisors (see below), whose sum is σ = 81389880. Its totient is φ = 50562720.

The previous prime is 64420159. The next prime is 64420207. The reversal of 64420175 is 57102446.

It is not a de Polignac number, because 64420175 - 2⁴ = 64420159 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22985 + ... + 25634.

It is an arithmetic number, because the mean of its divisors is an integer number (6782490).

Almost surely, 2^64420175 is an apocalyptic number.

64420175 is a deficient number, since it is larger than the sum of its proper divisors (16969705).

64420175 is a wasteful number, since it uses less digits than its factorization.

64420175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48682 (or 48677 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 64420175 is about 8026.2179761080. The cubic root of 64420175 is about 400.8734558821.

The spelling of 64420175 in words is "sixty-four million, four hundred twenty thousand, one hundred seventy-five".