64362620 has 48 divisors (see below), whose sum is σ = 158251968. Its totient is φ = 21527040.

The previous prime is 64362611. The next prime is 64362637. The reversal of 64362620 is 2626346.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134 + ... + 11346.

It is an arithmetic number, because the mean of its divisors is an integer number (3296916).

Almost surely, 2^64362620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64362620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79125984).

64362620 is an abundant number, since it is smaller than the sum of its proper divisors (93889348).

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

64362620 is a wasteful number, since it uses less digits than its factorization.

64362620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11270 (or 11268 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 64362620 is about 8022.6317377778. The cubic root of 64362620 is about 400.7540360144.

Adding to 64362620 its reverse (2626346), we get a palindrome (66988966).

The spelling of 64362620 in words is "sixty-four million, three hundred sixty-two thousand, six hundred twenty".