64003730 has 16 divisors (see below), whose sum is σ = 131664960. Its totient is φ = 21944112.

The previous prime is 64003729. The next prime is 64003739. The reversal of 64003730 is 3730046.

64003730 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 = 64003696 and 64003705.

It is not an unprimeable number, because it can be changed into a prime (64003739) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 457100 + ... + 457239.

It is an arithmetic number, because the mean of its divisors is an integer number (8229060).

Almost surely, 2^64003730 is an apocalyptic number.

64003730 is an abundant number, since it is smaller than the sum of its proper divisors (67661230).

64003730 is a wasteful number, since it uses less digits than its factorization.

64003730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914353.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 64003730 is about 8000.2331216034. The cubic root of 64003730 is about 400.0077706824.

Adding to 64003730 its reverse (3730046), we get a palindrome (67733776).

The spelling of 64003730 in words is "sixty-four million, three thousand, seven hundred thirty".