64375758 has 48 divisors (see below), whose sum is σ = 146779776. Its totient is φ = 20351760.

The previous prime is 64375741. The next prime is 64375763. The reversal of 64375758 is 85757346.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53641 + ... + 54827.

It is an arithmetic number, because the mean of its divisors is an integer number (3057912).

Almost surely, 2^64375758 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64375758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73389888).

64375758 is an abundant number, since it is smaller than the sum of its proper divisors (82404018).

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

64375758 is a wasteful number, since it uses less digits than its factorization.

64375758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349 (or 1346 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 64375758 is about 8023.4505046146. The cubic root of 64375758 is about 400.7813020907.

The spelling of 64375758 in words is "sixty-four million, three hundred seventy-five thousand, seven hundred fifty-eight".