64602420 has 24 divisors (see below), whose sum is σ = 180886944. Its totient is φ = 17227296.

The previous prime is 64602379. The next prime is 64602449. The reversal of 64602420 is 2420646.

64602420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 538294 + ... + 538413.

It is an arithmetic number, because the mean of its divisors is an integer number (7536956).

Almost surely, 2^64602420 is an apocalyptic number.

64602420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64602420 is an abundant number, since it is smaller than the sum of its proper divisors (116284524).

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

64602420 is a wasteful number, since it uses less digits than its factorization.

64602420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076719 (or 1076717 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 64602420 is about 8037.5630635162. The cubic root of 64602420 is about 401.2511243066.

The spelling of 64602420 in words is "sixty-four million, six hundred two thousand, four hundred twenty".