42669026 has 8 divisors (see below), whose sum is σ = 64570284. Its totient is φ = 21145600.

The previous prime is 42668993. The next prime is 42669037. The reversal of 42669026 is 62096624.

It can be written as a sum of positive squares in 2 ways, for example, as 41667025 + 1002001 = 6455^2 + 1001^2 .

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

It is a Curzon number.

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, 94175 + ... + 94626.

Almost surely, 2^42669026 is an apocalyptic number.

42669026 is a deficient number, since it is larger than the sum of its proper divisors (21901258).

42669026 is a wasteful number, since it uses less digits than its factorization.

42669026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188916.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 42669026 is about 6532.1532437627. The cubic root of 42669026 is about 349.4386266118.

The spelling of 42669026 in words is "forty-two million, six hundred sixty-nine thousand, twenty-six".