64387622 has 16 divisors (see below), whose sum is σ = 106823472. Its totient is φ = 28913760.

The previous prime is 64387621. The next prime is 64387639. The reversal of 64387622 is 22678346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64387621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32504 + ... + 34427.

It is an arithmetic number, because the mean of its divisors is an integer number (6676467).

Almost surely, 2^64387622 is an apocalyptic number.

64387622 is a deficient number, since it is larger than the sum of its proper divisors (42435850).

64387622 is a wasteful number, since it uses less digits than its factorization.

64387622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66983.

The product of its digits is 96768, while the sum is 38.

The square root of 64387622 is about 8024.1898033384. The cubic root of 64387622 is about 400.8059209713.

The spelling of 64387622 in words is "sixty-four million, three hundred eighty-seven thousand, six hundred twenty-two".