64678453 has 8 divisors (see below), whose sum is σ = 74161472. Its totient is φ = 55256256.

The previous prime is 64678447. The next prime is 64678457. The reversal of 64678453 is 35487646.

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 64678453 - 2¹⁷ = 64547381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64678457) 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, 12900 + ... + 17197.

It is an arithmetic number, because the mean of its divisors is an integer number (9270184).

Almost surely, 2^64678453 is an apocalyptic number.

It is an amenable number.

64678453 is a deficient number, since it is larger than the sum of its proper divisors (9483019).

64678453 is a wasteful number, since it uses less digits than its factorization.

64678453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30411.

The product of its digits is 483840, while the sum is 43.

The square root of 64678453 is about 8042.2915266732. The cubic root of 64678453 is about 401.4084784003.

The spelling of 64678453 in words is "sixty-four million, six hundred seventy-eight thousand, four hundred fifty-three".