64062644 has 12 divisors (see below), whose sum is σ = 112312704. Its totient is φ = 31973304.

The previous prime is 64062643. The next prime is 64062667. The reversal of 64062644 is 44626046.

It is a self number, because there is not a number n which added to its sum of digits gives 64062644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64062641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11972 + ... + 16475.

It is an arithmetic number, because the mean of its divisors is an integer number (9359392).

Almost surely, 2^64062644 is an apocalyptic number.

It is an amenable number.

64062644 is a deficient number, since it is larger than the sum of its proper divisors (48250060).

64062644 is a wasteful number, since it uses less digits than its factorization.

64062644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29014 (or 29012 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 64062644 is about 8003.9142923947. The cubic root of 64062644 is about 400.1304657754.

The spelling of 64062644 in words is "sixty-four million, sixty-two thousand, six hundred forty-four".