42177669 has 8 divisors (see below), whose sum is σ = 57756960. Its totient is φ = 27358416.

The previous prime is 42177661. The next prime is 42177673. The reversal of 42177669 is 96677124.

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

It is not a de Polignac number, because 42177669 - 2³ = 42177661 is a prime.

It is a super-2 number, since 2×42177669² = 3557911524547122, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42177669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42177661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189879 + ... + 190100.

It is an arithmetic number, because the mean of its divisors is an integer number (7219620).

Almost surely, 2^42177669 is an apocalyptic number.

It is an amenable number.

42177669 is a deficient number, since it is larger than the sum of its proper divisors (15579291).

42177669 is a wasteful number, since it uses less digits than its factorization.

42177669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380019.

The product of its digits is 127008, while the sum is 42.

The square root of 42177669 is about 6494.4336935564. The cubic root of 42177669 is about 348.0921195552.

The spelling of 42177669 in words is "forty-two million, one hundred seventy-seven thousand, six hundred sixty-nine".