64860743 has 4 divisors (see below), whose sum is σ = 65296200. Its totient is φ = 64425288.

The previous prime is 64860739. The next prime is 64860749. The reversal of 64860743 is 34706846.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64860743 - 2² = 64860739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64860697 and 64860706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64860749) 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, 217505 + ... + 217802.

It is an arithmetic number, because the mean of its divisors is an integer number (16324050).

Almost surely, 2^64860743 is an apocalyptic number.

64860743 is a deficient number, since it is larger than the sum of its proper divisors (435457).

64860743 is a wasteful number, since it uses less digits than its factorization.

64860743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435456.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 64860743 is about 8053.6167651559. The cubic root of 64860743 is about 401.7852350692.

The spelling of 64860743 in words is "sixty-four million, eight hundred sixty thousand, seven hundred forty-three".