42707282 has 6 divisors (see below), whose sum is σ = 64074789. Its totient is φ = 21349020.

The previous prime is 42707279. The next prime is 42707293. The reversal of 42707282 is 28270724.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42003361 + 703921 = 6481^2 + 839^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4621.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6932 + ... + 11552.

Almost surely, 2^42707282 is an apocalyptic number.

42707282 is a deficient number, since it is larger than the sum of its proper divisors (21367507).

42707282 is an frugal number, since it uses more digits than its factorization.

42707282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9244 (or 4623 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 42707282 is about 6535.0808717261. The cubic root of 42707282 is about 349.5430281114.

Multiplying 42707282 by its sum of digits (32), we get a square (1366633024 = 36968²).

The spelling of 42707282 in words is "forty-two million, seven hundred seven thousand, two hundred eighty-two".