64352677 has 4 divisors (see below), whose sum is σ = 67739680. Its totient is φ = 60965676.

The previous prime is 64352663. The next prime is 64352699. The reversal of 64352677 is 77625346.

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 a de Polignac number, because none of the positive numbers 2^k-64352677 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 (64352627) 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, 1693473 + ... + 1693510.

It is an arithmetic number, because the mean of its divisors is an integer number (16934920).

Almost surely, 2^64352677 is an apocalyptic number.

It is an amenable number.

64352677 is a deficient number, since it is larger than the sum of its proper divisors (3387003).

64352677 is a wasteful number, since it uses less digits than its factorization.

64352677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387002.

The product of its digits is 211680, while the sum is 40.

The square root of 64352677 is about 8022.0120294101. The cubic root of 64352677 is about 400.7333982457.

The spelling of 64352677 in words is "sixty-four million, three hundred fifty-two thousand, six hundred seventy-seven".