64003662 has 32 divisors (see below), whose sum is σ = 143270400. Its totient is φ = 21178584.

The previous prime is 64003649. The next prime is 64003663. The reversal of 64003662 is 26630046.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64003663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3243 + ... + 11769.

It is an arithmetic number, because the mean of its divisors is an integer number (4477200).

Almost surely, 2^64003662 is an apocalyptic number.

64003662 is an abundant number, since it is smaller than the sum of its proper divisors (79266738).

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

64003662 is a wasteful number, since it uses less digits than its factorization.

64003662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8677 (or 8671 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 64003662 is about 8000.2288717261. The cubic root of 64003662 is about 400.0076290212.

The spelling of 64003662 in words is "sixty-four million, three thousand, six hundred sixty-two".