64748068 has 72 divisors (see below), whose sum is σ = 147470400. Its totient is φ = 24319680.

The previous prime is 64748041. The next prime is 64748069. The reversal of 64748068 is 86084746.

It is not an unprimeable number, because it can be changed into a prime (64748069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97923 + ... + 98581.

It is an arithmetic number, because the mean of its divisors is an integer number (2048200).

Almost surely, 2^64748068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64748068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73735200).

64748068 is an abundant number, since it is smaller than the sum of its proper divisors (82722332).

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

64748068 is a wasteful number, since it uses less digits than its factorization.

64748068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 64748068 is about 8046.6184201812. The cubic root of 64748068 is about 401.5524420147.

The spelling of 64748068 in words is "sixty-four million, seven hundred forty-eight thousand, sixty-eight".