42072206 has 8 divisors (see below), whose sum is σ = 68845464. Its totient is φ = 19123720.

The previous prime is 42072203. The next prime is 42072211. The reversal of 42072206 is 60227024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42072203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956165 + ... + 956208.

It is an arithmetic number, because the mean of its divisors is an integer number (8605683).

Almost surely, 2^42072206 is an apocalyptic number.

42072206 is a deficient number, since it is larger than the sum of its proper divisors (26773258).

42072206 is a wasteful number, since it uses less digits than its factorization.

42072206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912386.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 42072206 is about 6486.3091199850. The cubic root of 42072206 is about 347.8017488410.

The spelling of 42072206 in words is "forty-two million, seventy-two thousand, two hundred six".