64262432 has 48 divisors (see below), whose sum is σ = 137168640. Its totient is φ = 29459712.

The previous prime is 64262423. The next prime is 64262441. The reversal of 64262432 is 23426246.

It is an interprime number because it is at equal distance from previous prime (64262423) and next prime (64262441).

It is a junction number, because it is equal to n+sod(n) for n = 64262395 and 64262404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74033 + ... + 74895.

It is an arithmetic number, because the mean of its divisors is an integer number (2857680).

Almost surely, 2^64262432 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 64262432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68584320).

64262432 is an abundant number, since it is smaller than the sum of its proper divisors (72906208).

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

64262432 is a wasteful number, since it uses less digits than its factorization.

64262432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1057 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

The square root of 64262432 is about 8016.3852202848. The cubic root of 64262432 is about 400.5459877377.

Adding to 64262432 its reverse (23426246), we get a palindrome (87688678).

The spelling of 64262432 in words is "sixty-four million, two hundred sixty-two thousand, four hundred thirty-two".