64608742 has 16 divisors (see below), whose sum is σ = 105924672. Its totient is φ = 29311720.

The previous prime is 64608737. The next prime is 64608751. The reversal of 64608742 is 24780646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10413 + ... + 15415.

It is an arithmetic number, because the mean of its divisors is an integer number (6620292).

Almost surely, 2^64608742 is an apocalyptic number.

64608742 is a deficient number, since it is larger than the sum of its proper divisors (41315930).

64608742 is a wasteful number, since it uses less digits than its factorization.

64608742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5603.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 64608742 is about 8037.9563323024. The cubic root of 64608742 is about 401.2642127062.

It can be divided in two parts, 64 and 608742, that added together give a palindrome (608806).

The spelling of 64608742 in words is "sixty-four million, six hundred eight thousand, seven hundred forty-two".