64725735 has 16 divisors (see below), whose sum is σ = 103743360. Its totient is φ = 34459680.

The previous prime is 64725719. The next prime is 64725743. The reversal of 64725735 is 53752746.

It is not a de Polignac number, because 64725735 - 2⁴ = 64725719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64725693 and 64725702.

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 15 ways as a sum of consecutive naturals, for example, 5800 + ... + 12770.

It is an arithmetic number, because the mean of its divisors is an integer number (6483960).

Almost surely, 2^64725735 is an apocalyptic number.

64725735 is a deficient number, since it is larger than the sum of its proper divisors (39017625).

64725735 is a wasteful number, since it uses less digits than its factorization.

64725735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7598.

The product of its digits is 176400, while the sum is 39.

The square root of 64725735 is about 8045.2305746946. The cubic root of 64725735 is about 401.5062686835.

The spelling of 64725735 in words is "sixty-four million, seven hundred twenty-five thousand, seven hundred thirty-five".