64855748 has 24 divisors (see below), whose sum is σ = 120543192. Its totient is φ = 30426624.

The previous prime is 64855711. The next prime is 64855771. The reversal of 64855748 is 84755846.

It can be written as a sum of positive squares in 4 ways, for example, as 16386304 + 48469444 = 4048^2 + 6962^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24086 + ... + 26642.

It is an arithmetic number, because the mean of its divisors is an integer number (5022633).

Almost surely, 2^64855748 is an apocalyptic number.

64855748 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

64855748 is a deficient number, since it is larger than the sum of its proper divisors (55687444).

64855748 is a wasteful number, since it uses less digits than its factorization.

64855748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951 (or 2949 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 47.

The square root of 64855748 is about 8053.3066500662. The cubic root of 64855748 is about 401.7749208243.

The spelling of 64855748 in words is "sixty-four million, eight hundred fifty-five thousand, seven hundred forty-eight".