64027446 has 64 divisors (see below), whose sum is σ = 154828800. Its totient is φ = 17256096.

The previous prime is 64027433. The next prime is 64027463. The reversal of 64027446 is 64472046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75895 + ... + 76733.

It is an arithmetic number, because the mean of its divisors is an integer number (2419200).

Almost surely, 2^64027446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64027446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77414400).

64027446 is an abundant number, since it is smaller than the sum of its proper divisors (90801354).

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

64027446 is a wasteful number, since it uses less digits than its factorization.

64027446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 64027446 is about 8001.7151911325. The cubic root of 64027446 is about 400.0571709950.

The spelling of 64027446 in words is "sixty-four million, twenty-seven thousand, four hundred forty-six".