42079629 has 4 divisors (see below), whose sum is σ = 56106176. Its totient is φ = 28053084.

The previous prime is 42079621. The next prime is 42079633. The reversal of 42079629 is 92697024.

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 not a de Polignac number, because 42079629 - 2³ = 42079621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42079621) 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, 7013269 + ... + 7013274.

It is an arithmetic number, because the mean of its divisors is an integer number (14026544).

Almost surely, 2^42079629 is an apocalyptic number.

It is an amenable number.

42079629 is a deficient number, since it is larger than the sum of its proper divisors (14026547).

42079629 is a wasteful number, since it uses less digits than its factorization.

42079629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14026546.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 42079629 is about 6486.8812999777. The cubic root of 42079629 is about 347.8222024120.

The spelling of 42079629 in words is "forty-two million, seventy-nine thousand, six hundred twenty-nine".