64312274 has 24 divisors (see below), whose sum is σ = 105243300. Its totient is φ = 29460288.

The previous prime is 64312229. The next prime is 64312279. The reversal of 64312274 is 47221346.

It can be written as a sum of positive squares in 6 ways, for example, as 4141225 + 60171049 = 2035^2 + 7757^2 .

It is not an unprimeable number, because it can be changed into a prime (64312279) 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, 49724 + ... + 51000.

Almost surely, 2^64312274 is an apocalyptic number.

64312274 is a deficient number, since it is larger than the sum of its proper divisors (40931026).

64312274 is a wasteful number, since it uses less digits than its factorization.

64312274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1441 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 64312274 is about 8019.4933755194. The cubic root of 64312274 is about 400.6495155862.

The spelling of 64312274 in words is "sixty-four million, three hundred twelve thousand, two hundred seventy-four".