64064751 has 8 divisors (see below), whose sum is σ = 89915520. Its totient is φ = 40461912.

The previous prime is 64064731. The next prime is 64064761. The reversal of 64064751 is 15746046.

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

It is not a de Polignac number, because 64064751 - 2¹⁷ = 63933679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64064731) 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, 561915 + ... + 562028.

It is an arithmetic number, because the mean of its divisors is an integer number (11239440).

Almost surely, 2^64064751 is an apocalyptic number.

64064751 is a deficient number, since it is larger than the sum of its proper divisors (25850769).

64064751 is a wasteful number, since it uses less digits than its factorization.

64064751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123965.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 64064751 is about 8004.0459144110. The cubic root of 64064751 is about 400.1348524486.

The spelling of 64064751 in words is "sixty-four million, sixty-four thousand, seven hundred fifty-one".