64902 has 16 divisors (see below), whose sum is σ = 134640. Its totient is φ = 20832.

The previous prime is 64901. The next prime is 64919. The reversal of 64902 is 20946.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13 + ... + 360.

It is an arithmetic number, because the mean of its divisors is an integer number (8415).

2⁶⁴⁹⁰² is an apocalyptic number.

64902 is an abundant number, since it is smaller than the sum of its proper divisors (69738).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67320).

64902 is a wasteful number, since it uses less digits than its factorization.

64902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 64902 is about 254.7587093703. The cubic root of 64902 is about 40.1870406979.

Subtracting from 64902 its reverse (20946), we obtain a triangular number (43956 = T₂₉₆).

The spelling of 64902 in words is "sixty-four thousand, nine hundred two".