42350742 has 64 divisors (see below), whose sum is σ = 108326400. Its totient is φ = 12013920.

The previous prime is 42350741. The next prime is 42350747. The reversal of 42350742 is 24705324.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42350741) by changing a digit.

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, 68109 + ... + 68727.

It is an arithmetic number, because the mean of its divisors is an integer number (1692600).

Almost surely, 2^42350742 is an apocalyptic number.

42350742 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42350742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54163200).

42350742 is an abundant number, since it is smaller than the sum of its proper divisors (65975658).

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

42350742 is a wasteful number, since it uses less digits than its factorization.

42350742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 42350742 is about 6507.7447706560. The cubic root of 42350742 is about 348.5675933627.

The spelling of 42350742 in words is "forty-two million, three hundred fifty thousand, seven hundred forty-two".