42811070 has 8 divisors (see below), whose sum is σ = 77059944. Its totient is φ = 17124424.

The previous prime is 42811063. The next prime is 42811079. The reversal of 42811070 is 7011824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42811079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2140544 + ... + 2140563.

It is an arithmetic number, because the mean of its divisors is an integer number (9632493).

Almost surely, 2^42811070 is an apocalyptic number.

42811070 is a deficient number, since it is larger than the sum of its proper divisors (34248874).

42811070 is a wasteful number, since it uses less digits than its factorization.

42811070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281114.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 42811070 is about 6543.0168882558. The cubic root of 42811070 is about 349.8259542824.

Adding to 42811070 its reverse (7011824), we get a palindrome (49822894).

The spelling of 42811070 in words is "forty-two million, eight hundred eleven thousand, seventy".