42533669 has 8 divisors (see below), whose sum is σ = 43253592. Its totient is φ = 41817600.

The previous prime is 42533657. The next prime is 42533681. The reversal of 42533669 is 96633524.

It is an interprime number because it is at equal distance from previous prime (42533657) and next prime (42533681).

It can be written as a sum of positive squares in 4 ways, for example, as 33200644 + 9333025 = 5762^2 + 3055^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42533669 is a prime.

It is a super-2 number, since 2×42533669² = 3618225997203122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42533639) 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, 28547 + ... + 29999.

It is an arithmetic number, because the mean of its divisors is an integer number (5406699).

Almost surely, 2^42533669 is an apocalyptic number.

It is an amenable number.

42533669 is a deficient number, since it is larger than the sum of its proper divisors (719923).

42533669 is a wasteful number, since it uses less digits than its factorization.

42533669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927.

The product of its digits is 116640, while the sum is 38.

The square root of 42533669 is about 6521.7841883951. The cubic root of 42533669 is about 349.0687324775.

The spelling of 42533669 in words is "forty-two million, five hundred thirty-three thousand, six hundred sixty-nine".