64754243 has 4 divisors (see below), whose sum is σ = 64962768. Its totient is φ = 64545720.

The previous prime is 64754237. The next prime is 64754281. The reversal of 64754243 is 34245746.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34245746 = 2 ⋅17122873.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64754243 is a prime.

It is a super-2 number, since 2×64754243² = 8386223973006098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64754233) 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, 103796 + ... + 104417.

It is an arithmetic number, because the mean of its divisors is an integer number (16240692).

Almost surely, 2^64754243 is an apocalyptic number.

64754243 is a deficient number, since it is larger than the sum of its proper divisors (208525).

64754243 is a wasteful number, since it uses less digits than its factorization.

64754243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208524.

The product of its digits is 80640, while the sum is 35.

The square root of 64754243 is about 8047.0021125883. The cubic root of 64754243 is about 401.5652069130.

Adding to 64754243 its reverse (34245746), we get a palindrome (98999989).

The spelling of 64754243 in words is "sixty-four million, seven hundred fifty-four thousand, two hundred forty-three".