64342377 has 16 divisors (see below), whose sum is σ = 103988160. Its totient is φ = 38995200.

The previous prime is 64342363. The next prime is 64342381. The reversal of 64342377 is 77324346.

It is a happy number.

64342377 is a `hidden beast` number, since 643 + 4 + 2 + 3 + 7 + 7 = 666.

It is not a de Polignac number, because 64342377 - 2⁸ = 64342121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64362377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108024 + ... + 108617.

It is an arithmetic number, because the mean of its divisors is an integer number (6499260).

Almost surely, 2^64342377 is an apocalyptic number.

It is an amenable number.

64342377 is a deficient number, since it is larger than the sum of its proper divisors (39645783).

64342377 is a wasteful number, since it uses less digits than its factorization.

64342377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216661 (or 216655 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 64342377 is about 8021.3700201400. The cubic root of 64342377 is about 400.7120172433.

The spelling of 64342377 in words is "sixty-four million, three hundred forty-two thousand, three hundred seventy-seven".