42907669 has 4 divisors (see below), whose sum is σ = 49037344. Its totient is φ = 36777996.

The previous prime is 42907603. The next prime is 42907693. The reversal of 42907669 is 96670924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42907669 - 2¹³ = 42899477 is a prime.

It is a super-2 number, since 2×42907669² = 3682136118027122, 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 (42907699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3064827 + ... + 3064840.

It is an arithmetic number, because the mean of its divisors is an integer number (12259336).

Almost surely, 2^42907669 is an apocalyptic number.

It is an amenable number.

42907669 is a deficient number, since it is larger than the sum of its proper divisors (6129675).

42907669 is an equidigital number, since it uses as much as digits as its factorization.

42907669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129674.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 42907669 is about 6550.3945682684. The cubic root of 42907669 is about 350.0888726695.

The spelling of 42907669 in words is "forty-two million, nine hundred seven thousand, six hundred sixty-nine".