64735653 has 8 divisors (see below), whose sum is σ = 86864608. Its totient is φ = 42881904.

The previous prime is 64735621. The next prime is 64735669. The reversal of 64735653 is 35653746.

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

It is not a de Polignac number, because 64735653 - 2⁵ = 64735621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64725653) 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, 68251 + ... + 69192.

It is an arithmetic number, because the mean of its divisors is an integer number (10858076).

Almost surely, 2^64735653 is an apocalyptic number.

It is an amenable number.

64735653 is a deficient number, since it is larger than the sum of its proper divisors (22128955).

64735653 is a wasteful number, since it uses less digits than its factorization.

64735653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137603.

The product of its digits is 226800, while the sum is 39.

The square root of 64735653 is about 8045.8469411243. The cubic root of 64735653 is about 401.5267753944.

The spelling of 64735653 in words is "sixty-four million, seven hundred thirty-five thousand, six hundred fifty-three".