64754421 has 8 divisors (see below), whose sum is σ = 86701440. Its totient is φ = 42988512.

The previous prime is 64754399. The next prime is 64754429. The reversal of 64754421 is 12445746.

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

It is not a de Polignac number, because 64754421 - 2¹⁵ = 64721653 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64754429) 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, 44440 + ... + 45873.

It is an arithmetic number, because the mean of its divisors is an integer number (10837680).

Almost surely, 2^64754421 is an apocalyptic number.

It is an amenable number.

64754421 is a deficient number, since it is larger than the sum of its proper divisors (21947019).

64754421 is a wasteful number, since it uses less digits than its factorization.

64754421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90555.

The product of its digits is 26880, while the sum is 33.

The square root of 64754421 is about 8047.0131726001. The cubic root of 64754421 is about 401.5655748608.

The spelling of 64754421 in words is "sixty-four million, seven hundred fifty-four thousand, four hundred twenty-one".