64742935 has 8 divisors (see below), whose sum is σ = 80370720. Its totient is φ = 50008224.

The previous prime is 64742929. The next prime is 64742957. The reversal of 64742935 is 53924746.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64742935 - 2³ = 64742927 is a prime.

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, 223107 + ... + 223396.

It is an arithmetic number, because the mean of its divisors is an integer number (10046340).

Almost surely, 2^64742935 is an apocalyptic number.

64742935 is a deficient number, since it is larger than the sum of its proper divisors (15627785).

64742935 is a wasteful number, since it uses less digits than its factorization.

64742935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446537.

The product of its digits is 181440, while the sum is 40.

The square root of 64742935 is about 8046.2994600002. The cubic root of 64742935 is about 401.5418305106.

It can be divided in two parts, 6474 and 2935, that added together give a square (9409 = 97²).

The spelling of 64742935 in words is "sixty-four million, seven hundred forty-two thousand, nine hundred thirty-five".