66427042 has 8 divisors (see below), whose sum is σ = 108698832. Its totient is φ = 30194100.

The previous prime is 66427037. The next prime is 66427061. The reversal of 66427042 is 24072466.

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

It is a junction number, because it is equal to n+sod(n) for n = 66426995 and 66427013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1509684 + ... + 1509727.

It is an arithmetic number, because the mean of its divisors is an integer number (13587354).

Almost surely, 2^66427042 is an apocalyptic number.

66427042 is a deficient number, since it is larger than the sum of its proper divisors (42271790).

66427042 is a wasteful number, since it uses less digits than its factorization.

66427042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019424.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 66427042 is about 8150.2786455434. The cubic root of 66427042 is about 404.9937345980.

The spelling of 66427042 in words is "sixty-six million, four hundred twenty-seven thousand, forty-two".