64026732 has 144 divisors (see below), whose sum is σ = 199946880. Its totient is φ = 15724800.

The previous prime is 64026727. The next prime is 64026763. The reversal of 64026732 is 23762046.

64026732 = T₄₃ + T₄₄ + ... + T₇₂₆.

It is a self number, because there is not a number n which added to its sum of digits gives 64026732.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122632 + ... + 123152.

It is an arithmetic number, because the mean of its divisors is an integer number (1388520).

Almost surely, 2^64026732 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 64026732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99973440).

64026732 is an abundant number, since it is smaller than the sum of its proper divisors (135920148).

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

64026732 is a wasteful number, since it uses less digits than its factorization.

64026732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 64026732 is about 8001.6705755736. The cubic root of 64026732 is about 400.0556839146.

Adding to 64026732 its reverse (23762046), we get a palindrome (87788778).

It can be divided in two parts, 640 and 26732, that added together give a palindrome (27372).

The spelling of 64026732 in words is "sixty-four million, twenty-six thousand, seven hundred thirty-two".