64493260 has 24 divisors (see below), whose sum is σ = 145854576. Its totient is φ = 23812800.

The previous prime is 64493207. The next prime is 64493279. The reversal of 64493260 is 6239446.

64493260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 123766 + ... + 124285.

It is an arithmetic number, because the mean of its divisors is an integer number (6077274).

Almost surely, 2^64493260 is an apocalyptic number.

It is an amenable number.

64493260 is an abundant number, since it is smaller than the sum of its proper divisors (81361316).

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

64493260 is a wasteful number, since it uses less digits than its factorization.

64493260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248073 (or 248071 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 64493260 is about 8030.7695770704. The cubic root of 64493260 is about 401.0249962134.

The spelling of 64493260 in words is "sixty-four million, four hundred ninety-three thousand, two hundred sixty".