64212275 has 12 divisors (see below), whose sum is σ = 79755312. Its totient is φ = 51284640.

The previous prime is 64212241. The next prime is 64212277. The reversal of 64212275 is 57221246.

It is a happy number.

It is not a de Polignac number, because 64212275 - 2¹⁴ = 64195891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64212277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16409 + ... + 19941.

It is an arithmetic number, because the mean of its divisors is an integer number (6646276).

Almost surely, 2^64212275 is an apocalyptic number.

64212275 is a deficient number, since it is larger than the sum of its proper divisors (15543037).

64212275 is a wasteful number, since it uses less digits than its factorization.

64212275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270 (or 4265 counting only the distinct ones).

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

The square root of 64212275 is about 8013.2562045650. The cubic root of 64212275 is about 400.4417515427.

The spelling of 64212275 in words is "sixty-four million, two hundred twelve thousand, two hundred seventy-five".