64750693 has 8 divisors (see below), whose sum is σ = 74138112. Its totient is φ = 55397616.

The previous prime is 64750663. The next prime is 64750709. The reversal of 64750693 is 39605746.

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 64750693 - 2⁹ = 64750181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64750663) 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, 4405 + ... + 12202.

It is an arithmetic number, because the mean of its divisors is an integer number (9267264).

Almost surely, 2^64750693 is an apocalyptic number.

It is an amenable number.

64750693 is a deficient number, since it is larger than the sum of its proper divisors (9387419).

64750693 is a wasteful number, since it uses less digits than its factorization.

64750693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17171.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 64750693 is about 8046.7815305251. The cubic root of 64750693 is about 401.5578684876.

The spelling of 64750693 in words is "sixty-four million, seven hundred fifty thousand, six hundred ninety-three".