42070764 has 48 divisors (see below), whose sum is σ = 103511520. Its totient is φ = 13278720.

The previous prime is 42070757. The next prime is 42070771. The reversal of 42070764 is 46707024.

42070764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42070757) and next prime (42070771).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17304 + ... + 19584.

It is an arithmetic number, because the mean of its divisors is an integer number (2156490).

Almost surely, 2^42070764 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 42070764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51755760).

42070764 is an abundant number, since it is smaller than the sum of its proper divisors (61440756).

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

42070764 is a wasteful number, since it uses less digits than its factorization.

42070764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370 (or 2368 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 42070764 is about 6486.1979618263. The cubic root of 42070764 is about 347.7977752291.

Adding to 42070764 its reverse (46707024), we get a palindrome (88777788).

The spelling of 42070764 in words is "forty-two million, seventy thousand, seven hundred sixty-four".