42619929 has 16 divisors (see below), whose sum is σ = 63313920. Its totient is φ = 25279760.

The previous prime is 42619921. The next prime is 42619987. The reversal of 42619929 is 92991624.

It is not a de Polignac number, because 42619929 - 2³ = 42619921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42619921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12189 + ... + 15290.

It is an arithmetic number, because the mean of its divisors is an integer number (3957120).

Almost surely, 2^42619929 is an apocalyptic number.

It is an amenable number.

42619929 is a deficient number, since it is larger than the sum of its proper divisors (20693991).

42619929 is a wasteful number, since it uses less digits than its factorization.

42619929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27540.

The product of its digits is 69984, while the sum is 42.

The square root of 42619929 is about 6528.3940597976. The cubic root of 42619929 is about 349.3045483011.

The spelling of 42619929 in words is "forty-two million, six hundred nineteen thousand, nine hundred twenty-nine".