42434620 has 24 divisors (see below), whose sum is σ = 89244288. Its totient is φ = 16948800.

The previous prime is 42434611. The next prime is 42434621. The reversal of 42434620 is 2643424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42434621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18750 + ... + 20890.

It is an arithmetic number, because the mean of its divisors is an integer number (3718512).

Almost surely, 2^42434620 is an apocalyptic number.

It is an amenable number.

42434620 is an abundant number, since it is smaller than the sum of its proper divisors (46809668).

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

42434620 is a wasteful number, since it uses less digits than its factorization.

42434620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141 (or 3139 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 42434620 is about 6514.1860581350. The cubic root of 42434620 is about 348.7975607768.

The spelling of 42434620 in words is "forty-two million, four hundred thirty-four thousand, six hundred twenty".