64729752 has 16 divisors (see below), whose sum is σ = 161824440. Its totient is φ = 21576576.

The previous prime is 64729703. The next prime is 64729771. The reversal of 64729752 is 25792746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1348513 + ... + 1348560.

Almost surely, 2^64729752 is an apocalyptic number.

It is an amenable number.

64729752 is an abundant number, since it is smaller than the sum of its proper divisors (97094688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64729752 is a wasteful number, since it uses less digits than its factorization.

64729752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697082 (or 2697078 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 64729752 is about 8045.4802218388. The cubic root of 64729752 is about 401.5145745880.

The spelling of 64729752 in words is "sixty-four million, seven hundred twenty-nine thousand, seven hundred fifty-two".