64449027 has 10 divisors (see below), whose sum is σ = 96275828. Its totient is φ = 42965964.

The previous prime is 64449017. The next prime is 64449029. The reversal of 64449027 is 72094446.

64449027 is a `hidden beast` number, since 644 + 4 + 9 + 0 + 2 + 7 = 666.

It is not a de Polignac number, because 64449027 - 2⁶ = 64448963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64448982 and 64449000.

It is not an unprimeable number, because it can be changed into a prime (64449029) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 397753 + ... + 397914.

Almost surely, 2^64449027 is an apocalyptic number.

64449027 is a deficient number, since it is larger than the sum of its proper divisors (31826801).

64449027 is an equidigital number, since it uses as much as digits as its factorization.

64449027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795679 (or 795670 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 64449027 is about 8028.0151345149. The cubic root of 64449027 is about 400.9332936306.

The spelling of 64449027 in words is "sixty-four million, four hundred forty-nine thousand, twenty-seven".