64603040 has 96 divisors (see below), whose sum is σ = 163296000. Its totient is φ = 24081408.

The previous prime is 64603037. The next prime is 64603079. The reversal of 64603040 is 4030646.

64603040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64602997 and 64603015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240026 + ... + 240294.

It is an arithmetic number, because the mean of its divisors is an integer number (1701000).

Almost surely, 2^64603040 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 64603040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81648000).

64603040 is an abundant number, since it is smaller than the sum of its proper divisors (98692960).

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

64603040 is a wasteful number, since it uses less digits than its factorization.

64603040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 64603040 is about 8037.6016323279. The cubic root of 64603040 is about 401.2524079267.

Adding to 64603040 its reverse (4030646), we get a palindrome (68633686).

The spelling of 64603040 in words is "sixty-four million, six hundred three thousand, forty".