64731043 has 8 divisors (see below), whose sum is σ = 73379600. Its totient is φ = 56606688.

The previous prime is 64730977. The next prime is 64731059. The reversal of 64731043 is 34013746.

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

It is a cyclic number.

It is not a de Polignac number, because 64731043 - 2⁹ = 64730531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64731943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130788 + ... + 131281.

It is an arithmetic number, because the mean of its divisors is an integer number (9172450).

Almost surely, 2^64731043 is an apocalyptic number.

64731043 is a deficient number, since it is larger than the sum of its proper divisors (8648557).

64731043 is a wasteful number, since it uses less digits than its factorization.

64731043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262101.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 64731043 is about 8045.5604528212. The cubic root of 64731043 is about 401.5172439008.

Adding to 64731043 its reverse (34013746), we get a palindrome (98744789).

The spelling of 64731043 in words is "sixty-four million, seven hundred thirty-one thousand, forty-three".