64527379 has 4 divisors (see below), whose sum is σ = 73745584. Its totient is φ = 55309176.

The previous prime is 64527377. The next prime is 64527383. The reversal of 64527379 is 97372546.

64527379 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.

It is a cyclic number.

It is not a de Polignac number, because 64527379 - 2¹ = 64527377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64527377) 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, 4609092 + ... + 4609105.

It is an arithmetic number, because the mean of its divisors is an integer number (18436396).

Almost surely, 2^64527379 is an apocalyptic number.

64527379 is a deficient number, since it is larger than the sum of its proper divisors (9218205).

64527379 is an equidigital number, since it uses as much as digits as its factorization.

64527379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9218204.

The product of its digits is 317520, while the sum is 43.

The square root of 64527379 is about 8032.8935633432. The cubic root of 64527379 is about 401.0957021017.

It can be divided in two parts, 6452 and 7379, that added together give a palindrome (13831).

The spelling of 64527379 in words is "sixty-four million, five hundred twenty-seven thousand, three hundred seventy-nine".