64755629 has 4 divisors (see below), whose sum is σ = 68163840. Its totient is φ = 61347420.

The previous prime is 64755623. The next prime is 64755659. The reversal of 64755629 is 92655746.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64755629 - 2²⁰ = 63707053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64755629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64755623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1704077 + ... + 1704114.

It is an arithmetic number, because the mean of its divisors is an integer number (17040960).

Almost surely, 2^64755629 is an apocalyptic number.

It is an amenable number.

64755629 is a deficient number, since it is larger than the sum of its proper divisors (3408211).

64755629 is a wasteful number, since it uses less digits than its factorization.

64755629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408210.

The product of its digits is 453600, while the sum is 44.

The square root of 64755629 is about 8047.0882311554. The cubic root of 64755629 is about 401.5680719268.

The spelling of 64755629 in words is "sixty-four million, seven hundred fifty-five thousand, six hundred twenty-nine".