42766213 has 8 divisors (see below), whose sum is σ = 50561280. Its totient is φ = 35392560.

The previous prime is 42766189. The next prime is 42766231. The reversal of 42766213 is 31266724.

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

It is not a de Polignac number, because 42766213 - 2⁵ = 42766181 is a prime.

It is a super-2 number, since 2×42766213² = 3657897948722738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42766253) 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, 105133 + ... + 105538.

It is an arithmetic number, because the mean of its divisors is an integer number (6320160).

Almost surely, 2^42766213 is an apocalyptic number.

It is an amenable number.

42766213 is a deficient number, since it is larger than the sum of its proper divisors (7795067).

42766213 is a wasteful number, since it uses less digits than its factorization.

42766213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210707.

The product of its digits is 12096, while the sum is 31.

The square root of 42766213 is about 6539.5881368783. The cubic root of 42766213 is about 349.7037302352.

It can be divided in two parts, 4276621 and 3, that added together give a square (4276624 = 2068²).

The spelling of 42766213 in words is "forty-two million, seven hundred sixty-six thousand, two hundred thirteen".