64240376 has 8 divisors (see below), whose sum is σ = 120450720. Its totient is φ = 32120184.

The previous prime is 64240361. The next prime is 64240411. The reversal of 64240376 is 67304246.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4015016 + ... + 4015031.

It is an arithmetic number, because the mean of its divisors is an integer number (15056340).

Almost surely, 2^64240376 is an apocalyptic number.

It is an amenable number.

64240376 is a deficient number, since it is larger than the sum of its proper divisors (56210344).

64240376 is a wasteful number, since it uses less digits than its factorization.

64240376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8030053 (or 8030049 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 64240376 is about 8015.0094198323. The cubic root of 64240376 is about 400.5001576784.

The spelling of 64240376 in words is "sixty-four million, two hundred forty thousand, three hundred seventy-six".