64420602 has 32 divisors (see below), whose sum is σ = 137497920. Its totient is φ = 20062080.

The previous prime is 64420591. The next prime is 64420607. The reversal of 64420602 is 20602446.

It is not an unprimeable number, because it can be changed into a prime (64420607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4452 + ... + 12192.

It is an arithmetic number, because the mean of its divisors is an integer number (4296810).

Almost surely, 2^64420602 is an apocalyptic number.

64420602 is an abundant number, since it is smaller than the sum of its proper divisors (73077318).

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

64420602 is a wasteful number, since it uses less digits than its factorization.

64420602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7838.

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

The square root of 64420602 is about 8026.2445763881. The cubic root of 64420602 is about 400.8743415911.

The spelling of 64420602 in words is "sixty-four million, four hundred twenty thousand, six hundred two".