42761213 has 4 divisors (see below), whose sum is σ = 46648608. Its totient is φ = 38873820.

The previous prime is 42761203. The next prime is 42761219. The reversal of 42761213 is 31216724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42761213 - 2⁴ = 42761197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42761219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943681 + ... + 1943702.

It is an arithmetic number, because the mean of its divisors is an integer number (11662152).

Almost surely, 2^42761213 is an apocalyptic number.

It is an amenable number.

42761213 is a deficient number, since it is larger than the sum of its proper divisors (3887395).

42761213 is a wasteful number, since it uses less digits than its factorization.

42761213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887394.

The product of its digits is 2016, while the sum is 26.

The square root of 42761213 is about 6539.2058386321. The cubic root of 42761213 is about 349.6901011990.

Adding to 42761213 its reverse (31216724), we get a palindrome (73977937).

The spelling of 42761213 in words is "forty-two million, seven hundred sixty-one thousand, two hundred thirteen".