64006057750 has 32 divisors (see below), whose sum is σ = 120446756352. Its totient is φ = 25468360000.

The previous prime is 64006057733. The next prime is 64006057793. The reversal of 64006057750 is 5775060046.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622471 + ... + 717970.

It is an arithmetic number, because the mean of its divisors is an integer number (3763961136).

Almost surely, 2^64006057750 is an apocalyptic number.

64006057750 is a deficient number, since it is larger than the sum of its proper divisors (56440698602).

64006057750 is a wasteful number, since it uses less digits than its factorization.

64006057750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340649 (or 1340639 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 64006057750 in words is "sixty-four billion, six million, fifty-seven thousand, seven hundred fifty".