42712284 has 24 divisors (see below), whose sum is σ = 101783808. Its totient is φ = 13934320.

The previous prime is 42712249. The next prime is 42712289. The reversal of 42712284 is 48221724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42712289) 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, 37302 + ... + 38429.

It is an arithmetic number, because the mean of its divisors is an integer number (4240992).

Almost surely, 2^42712284 is an apocalyptic number.

It is an amenable number.

42712284 is an abundant number, since it is smaller than the sum of its proper divisors (59071524).

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

42712284 is a wasteful number, since it uses less digits than its factorization.

42712284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75785 (or 75783 counting only the distinct ones).

The product of its digits is 7168, while the sum is 30.

The square root of 42712284 is about 6535.4635642776. The cubic root of 42712284 is about 349.5566740744.

It can be divided in two parts, 4271 and 2284, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 42712284 in words is "forty-two million, seven hundred twelve thousand, two hundred eighty-four".