42729204 has 96 divisors (see below), whose sum is σ = 118702080. Its totient is φ = 11711232.

The previous prime is 42729139. The next prime is 42729217. The reversal of 42729204 is 40292724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311824 + ... + 311960.

It is an arithmetic number, because the mean of its divisors is an integer number (1236480).

Almost surely, 2^42729204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42729204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59351040).

42729204 is an abundant number, since it is smaller than the sum of its proper divisors (75972876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42729204 is a wasteful number, since it uses less digits than its factorization.

42729204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 42729204 is about 6536.7579119928. The cubic root of 42729204 is about 349.6028256539.

The spelling of 42729204 in words is "forty-two million, seven hundred twenty-nine thousand, two hundred four".