64794471 has 8 divisors (see below), whose sum is σ = 98734464. Its totient is φ = 37025400.

The previous prime is 64794451. The next prime is 64794479. The reversal of 64794471 is 17449746.

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

It is not a de Polignac number, because 64794471 - 2⁶ = 64794407 is a prime.

It is a super-3 number, since 3×64794471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64794479) 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, 1542705 + ... + 1542746.

It is an arithmetic number, because the mean of its divisors is an integer number (12341808).

Almost surely, 2^64794471 is an apocalyptic number.

64794471 is a deficient number, since it is larger than the sum of its proper divisors (33939993).

64794471 is a wasteful number, since it uses less digits than its factorization.

64794471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085461.

The product of its digits is 169344, while the sum is 42.

The square root of 64794471 is about 8049.5012888998. The cubic root of 64794471 is about 401.6483459751.

The spelling of 64794471 in words is "sixty-four million, seven hundred ninety-four thousand, four hundred seventy-one".