64761073 has 8 divisors (see below), whose sum is σ = 70246400. Its totient is φ = 59347728.

The previous prime is 64761043. The next prime is 64761121. The reversal of 64761073 is 37016746.

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 64761073 - 2²⁵ = 31206641 is a prime.

It is a super-2 number, since 2×64761073² = 8387993152222658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64761043) 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, 16113 + ... + 19726.

It is an arithmetic number, because the mean of its divisors is an integer number (8780800).

Almost surely, 2^64761073 is an apocalyptic number.

It is an amenable number.

64761073 is a deficient number, since it is larger than the sum of its proper divisors (5485327).

64761073 is a wasteful number, since it uses less digits than its factorization.

64761073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35991.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 64761073 is about 8047.4264830441. The cubic root of 64761073 is about 401.5793248756.

The spelling of 64761073 in words is "sixty-four million, seven hundred sixty-one thousand, seventy-three".