64001679 has 8 divisors (see below), whose sum is σ = 97526400. Its totient is φ = 36572376.

The previous prime is 64001657. The next prime is 64001711. The reversal of 64001679 is 97610046.

It is a happy number.

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

It is not a de Polignac number, because 64001679 - 2⁷ = 64001551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64000679) 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, 1523829 + ... + 1523870.

It is an arithmetic number, because the mean of its divisors is an integer number (12190800).

Almost surely, 2^64001679 is an apocalyptic number.

64001679 is a deficient number, since it is larger than the sum of its proper divisors (33524721).

64001679 is a wasteful number, since it uses less digits than its factorization.

64001679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047709.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 64001679 is about 8000.1049368118. The cubic root of 64001679 is about 400.0034978861.

The spelling of 64001679 in words is "sixty-four million, one thousand, six hundred seventy-nine".