64857602 has 16 divisors (see below), whose sum is σ = 102904800. Its totient is φ = 30572640.

The previous prime is 64857599. The next prime is 64857619. The reversal of 64857602 is 20675846.

It is a happy number.

64857602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 3974 + ... + 12062.

It is an arithmetic number, because the mean of its divisors is an integer number (6431550).

Almost surely, 2^64857602 is an apocalyptic number.

64857602 is a deficient number, since it is larger than the sum of its proper divisors (38047198).

64857602 is a wasteful number, since it uses less digits than its factorization.

64857602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8321.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 64857602 is about 8053.4217572408. The cubic root of 64857602 is about 401.7787492365.

The spelling of 64857602 in words is "sixty-four million, eight hundred fifty-seven thousand, six hundred two".