66424354 has 8 divisors (see below), whose sum is σ = 99716688. Its totient is φ = 33185460.

The previous prime is 66424343. The next prime is 66424357. The reversal of 66424354 is 45342466.

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

It is not an unprimeable number, because it can be changed into a prime (66424357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10092 + ... + 15319.

It is an arithmetic number, because the mean of its divisors is an integer number (12464586).

Almost surely, 2^66424354 is an apocalyptic number.

66424354 is a deficient number, since it is larger than the sum of its proper divisors (33292334).

66424354 is a wasteful number, since it uses less digits than its factorization.

66424354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26720.

The product of its digits is 69120, while the sum is 34.

The square root of 66424354 is about 8150.1137415376. The cubic root of 66424354 is about 404.9882717734.

The spelling of 66424354 in words is "sixty-six million, four hundred twenty-four thousand, three hundred fifty-four".