42284370 has 64 divisors (see below), whose sum is σ = 104480640. Its totient is φ = 10948608.

The previous prime is 42284369. The next prime is 42284381. The reversal of 42284370 is 7348224.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218994 + ... + 219186.

It is an arithmetic number, because the mean of its divisors is an integer number (1632510).

Almost surely, 2^42284370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42284370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52240320).

42284370 is an abundant number, since it is smaller than the sum of its proper divisors (62196270).

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

42284370 is a wasteful number, since it uses less digits than its factorization.

42284370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 42284370 is about 6502.6433086861. The cubic root of 42284370 is about 348.3854066719.

The spelling of 42284370 in words is "forty-two million, two hundred eighty-four thousand, three hundred seventy".