64087748 has 6 divisors (see below), whose sum is σ = 112153566. Its totient is φ = 32043872.

The previous prime is 64087721. The next prime is 64087769. The reversal of 64087748 is 84778046.

It can be written as a sum of positive squares in only one way, i.e., 48469444 + 15618304 = 6962^2 + 3952^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64087699 and 64087708.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8010965 + ... + 8010972.

It is an arithmetic number, because the mean of its divisors is an integer number (18692261).

Almost surely, 2^64087748 is an apocalyptic number.

It is an amenable number.

64087748 is a deficient number, since it is larger than the sum of its proper divisors (48065818).

64087748 is a wasteful number, since it uses less digits than its factorization.

64087748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16021941 (or 16021939 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 64087748 is about 8005.4823714752. The cubic root of 64087748 is about 400.1827248497.

It can be divided in two parts, 640 and 87748, that added together give a palindrome (88388).

The spelling of 64087748 in words is "sixty-four million, eighty-seven thousand, seven hundred forty-eight".