42279212 has 12 divisors (see below), whose sum is σ = 74160240. Its totient is φ = 21090576.

The previous prime is 42279203. The next prime is 42279253. The reversal of 42279212 is 21297224.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10283 + ... + 13794.

It is an arithmetic number, because the mean of its divisors is an integer number (6180020).

Almost surely, 2^42279212 is an apocalyptic number.

It is an amenable number.

42279212 is a deficient number, since it is larger than the sum of its proper divisors (31881028).

42279212 is a wasteful number, since it uses less digits than its factorization.

42279212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24520 (or 24518 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 42279212 is about 6502.2466886454. The cubic root of 42279212 is about 348.3712403262.

The spelling of 42279212 in words is "forty-two million, two hundred seventy-nine thousand, two hundred twelve".