42690929 has 8 divisors (see below), whose sum is σ = 46488000. Its totient is φ = 39048912.

The previous prime is 42690919. The next prime is 42690941. The reversal of 42690929 is 92909624.

42690929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42690929 - 2⁴ = 42690913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42690919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38189 + ... + 39290.

It is an arithmetic number, because the mean of its divisors is an integer number (5811000).

Almost surely, 2^42690929 is an apocalyptic number.

It is an amenable number.

42690929 is a deficient number, since it is larger than the sum of its proper divisors (3797071).

42690929 is a wasteful number, since it uses less digits than its factorization.

42690929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77527.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 42690929 is about 6533.8295814935. The cubic root of 42690929 is about 349.4984080326.

The spelling of 42690929 in words is "forty-two million, six hundred ninety thousand, nine hundred twenty-nine".