64704541 has 4 divisors (see below), whose sum is σ = 70586784. Its totient is φ = 58822300.

The previous prime is 64704517. The next prime is 64704569. The reversal of 64704541 is 14540746.

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 64704541 - 2⁵ = 64704509 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64704511) 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, 2941105 + ... + 2941126.

It is an arithmetic number, because the mean of its divisors is an integer number (17646696).

Almost surely, 2^64704541 is an apocalyptic number.

It is an amenable number.

64704541 is a deficient number, since it is larger than the sum of its proper divisors (5882243).

64704541 is a wasteful number, since it uses less digits than its factorization.

64704541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882242.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 64704541 is about 8043.9132889409. The cubic root of 64704541 is about 401.4624404040.

It can be divided in two parts, 6470 and 4541, that added together give a palindrome (11011).

The spelling of 64704541 in words is "sixty-four million, seven hundred four thousand, five hundred forty-one".