42694466 has 4 divisors (see below), whose sum is σ = 64041702. Its totient is φ = 21347232.

The previous prime is 42694459. The next prime is 42694469. The reversal of 42694466 is 66449624.

42694466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24453025 + 18241441 = 4945^2 + 4271^2 .

It is not an unprimeable number, because it can be changed into a prime (42694469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10673615 + ... + 10673618.

Almost surely, 2^42694466 is an apocalyptic number.

42694466 is a deficient number, since it is larger than the sum of its proper divisors (21347236).

42694466 is a wasteful number, since it uses less digits than its factorization.

42694466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21347235.

The product of its digits is 248832, while the sum is 41.

The square root of 42694466 is about 6534.1002441040. The cubic root of 42694466 is about 349.5080599013.

The spelling of 42694466 in words is "forty-two million, six hundred ninety-four thousand, four hundred sixty-six".