64860370742 has 32 divisors (see below), whose sum is σ = 106026659424. Its totient is φ = 29636812800.

The previous prime is 64860370733. The next prime is 64860370747. The reversal of 64860370742 is 24707306846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64860370747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183878 + ... + 404390.

It is an arithmetic number, because the mean of its divisors is an integer number (3313333107).

Almost surely, 2^64860370742 is an apocalyptic number.

64860370742 is a deficient number, since it is larger than the sum of its proper divisors (41166288682).

64860370742 is a wasteful number, since it uses less digits than its factorization.

64860370742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220784.

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 64860370742 in words is "sixty-four billion, eight hundred sixty million, three hundred seventy thousand, seven hundred forty-two".