64750368 has 24 divisors (see below), whose sum is σ = 169969968. Its totient is φ = 21583424.

The previous prime is 64750339. The next prime is 64750373. The reversal of 64750368 is 86305746.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×64750368² = 8385220312270848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337146 + ... + 337337.

It is an arithmetic number, because the mean of its divisors is an integer number (7082082).

Almost surely, 2^64750368 is an apocalyptic number.

It is an amenable number.

64750368 is an abundant number, since it is smaller than the sum of its proper divisors (105219600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64750368 is a wasteful number, since it uses less digits than its factorization.

64750368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674496 (or 674488 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 64750368 is about 8046.7613360904. The cubic root of 64750368 is about 401.5571966465.

It can be divided in two parts, 647 and 50368, that added together give a palindrome (51015).

The spelling of 64750368 in words is "sixty-four million, seven hundred fifty thousand, three hundred sixty-eight".