64606695 has 8 divisors (see below), whose sum is σ = 103370736. Its totient is φ = 34456896.

The previous prime is 64606691. The next prime is 64606721. The reversal of 64606695 is 59660646.

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

It is not a de Polignac number, because 64606695 - 2² = 64606691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64606691) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2153542 + ... + 2153571.

It is an arithmetic number, because the mean of its divisors is an integer number (12921342).

Almost surely, 2^64606695 is an apocalyptic number.

64606695 is a deficient number, since it is larger than the sum of its proper divisors (38764041).

64606695 is a wasteful number, since it uses less digits than its factorization.

64606695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307121.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 64606695 is about 8037.8289979322. The cubic root of 64606695 is about 401.2599749075.

The spelling of 64606695 in words is "sixty-four million, six hundred six thousand, six hundred ninety-five".