42905304 has 96 divisors (see below), whose sum is σ = 130646880. Its totient is φ = 12621312.

The previous prime is 42905279. The next prime is 42905321. The reversal of 42905304 is 40350924.

42905304 is a `hidden beast` number, since 42 + 90 + 530 + 4 = 666.

It is a super-2 number, since 2×42905304² = 3681730222664832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20532 + ... + 22524.

It is an arithmetic number, because the mean of its divisors is an integer number (1360905).

Almost surely, 2^42905304 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 42905304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65323440).

42905304 is an abundant number, since it is smaller than the sum of its proper divisors (87741576).

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

42905304 is a wasteful number, since it uses less digits than its factorization.

42905304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041 (or 2034 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 42905304 is about 6550.2140423043. The cubic root of 42905304 is about 350.0824404441.

The spelling of 42905304 in words is "forty-two million, nine hundred five thousand, three hundred four".