42212760 has 32 divisors (see below), whose sum is σ = 126638640. Its totient is φ = 11256704.

The previous prime is 42212759. The next prime is 42212773. The reversal of 42212760 is 6721224.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 42212760.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175767 + ... + 176006.

Almost surely, 2^42212760 is an apocalyptic number.

42212760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42212760 is an abundant number, since it is smaller than the sum of its proper divisors (84425880).

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

42212760 is a wasteful number, since it uses less digits than its factorization.

42212760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351787 (or 351783 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 42212760 is about 6497.1347531046. The cubic root of 42212760 is about 348.1886280860.

Adding to 42212760 its reverse (6721224), we get a palindrome (48933984).

The spelling of 42212760 in words is "forty-two million, two hundred twelve thousand, seven hundred sixty".