64069377 has 4 divisors (see below), whose sum is σ = 85425840. Its totient is φ = 42712916.

The previous prime is 64069367. The next prime is 64069393. The reversal of 64069377 is 77396046.

64069377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64069377 - 2⁴ = 64069361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64069307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10678227 + ... + 10678232.

It is an arithmetic number, because the mean of its divisors is an integer number (21356460).

Almost surely, 2^64069377 is an apocalyptic number.

It is an amenable number.

64069377 is a deficient number, since it is larger than the sum of its proper divisors (21356463).

64069377 is a wasteful number, since it uses less digits than its factorization.

64069377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21356462.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 64069377 is about 8004.3348880466. The cubic root of 64069377 is about 400.1444832219.

It can be divided in two parts, 64069 and 377, that added together give a palindrome (64446).

The spelling of 64069377 in words is "sixty-four million, sixty-nine thousand, three hundred seventy-seven".