64061379 has 6 divisors (see below), whose sum is σ = 92533116. Its totient is φ = 42707580.

The previous prime is 64061363. The next prime is 64061401. The reversal of 64061379 is 97316046.

64061379 is a `hidden beast` number, since 640 + 6 + 1 + 3 + 7 + 9 = 666.

It is not a de Polignac number, because 64061379 - 2⁴ = 64061363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64061339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3558957 + ... + 3558974.

It is an arithmetic number, because the mean of its divisors is an integer number (15422186).

Almost surely, 2^64061379 is an apocalyptic number.

64061379 is a deficient number, since it is larger than the sum of its proper divisors (28471737).

64061379 is a wasteful number, since it uses less digits than its factorization.

64061379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7117937 (or 7117934 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 64061379 is about 8003.8352681699. The cubic root of 64061379 is about 400.1278320597.

The spelling of 64061379 in words is "sixty-four million, sixty-one thousand, three hundred seventy-nine".