64742435 has 8 divisors (see below), whose sum is σ = 78850896. Its totient is φ = 51020640.

The previous prime is 64742423. The next prime is 64742449. The reversal of 64742435 is 53424746.

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

It is not a de Polignac number, because 64742435 - 2⁶ = 64742371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64742395 and 64742404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96296 + ... + 96965.

It is an arithmetic number, because the mean of its divisors is an integer number (9856362).

Almost surely, 2^64742435 is an apocalyptic number.

64742435 is a deficient number, since it is larger than the sum of its proper divisors (14108461).

64742435 is a wasteful number, since it uses less digits than its factorization.

64742435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193333.

The product of its digits is 80640, while the sum is 35.

The square root of 64742435 is about 8046.2683897568. The cubic root of 64742435 is about 401.5407968255.

The spelling of 64742435 in words is "sixty-four million, seven hundred forty-two thousand, four hundred thirty-five".