64544362 has 4 divisors (see below), whose sum is σ = 96816546. Its totient is φ = 32272180.

The previous prime is 64544351. The next prime is 64544413. The reversal of 64544362 is 26344546.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52287361 + 12257001 = 7231^2 + 3501^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16136089 + ... + 16136092.

Almost surely, 2^64544362 is an apocalyptic number.

64544362 is a deficient number, since it is larger than the sum of its proper divisors (32272184).

64544362 is a wasteful number, since it uses less digits than its factorization.

64544362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32272183.

The product of its digits is 69120, while the sum is 34.

The square root of 64544362 is about 8033.9505848617. The cubic root of 64544362 is about 401.1308872221.

It can be divided in two parts, 6454 and 4362, that added together give a square (10816 = 104²).

The spelling of 64544362 in words is "sixty-four million, five hundred forty-four thousand, three hundred sixty-two".