66774094 has 16 divisors (see below), whose sum is σ = 105626880. Its totient is φ = 31571640.

The previous prime is 66774089. The next prime is 66774109. The reversal of 66774094 is 49047766.

It is a self number, because there is not a number n which added to its sum of digits gives 66774094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24987 + ... + 27529.

It is an arithmetic number, because the mean of its divisors is an integer number (6601680).

Almost surely, 2^66774094 is an apocalyptic number.

66774094 is a deficient number, since it is larger than the sum of its proper divisors (38852786).

66774094 is a wasteful number, since it uses less digits than its factorization.

66774094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 66774094 is about 8171.5417150009. The cubic root of 66774094 is about 405.6978144025.

The spelling of 66774094 in words is "sixty-six million, seven hundred seventy-four thousand, ninety-four".