42207506 has 8 divisors (see below), whose sum is σ = 69066864. Its totient is φ = 19185220.

The previous prime is 42207497. The next prime is 42207509. The reversal of 42207506 is 60570224.

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

It is not an unprimeable number, because it can be changed into a prime (42207509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959240 + ... + 959283.

It is an arithmetic number, because the mean of its divisors is an integer number (8633358).

Almost surely, 2^42207506 is an apocalyptic number.

42207506 is a deficient number, since it is larger than the sum of its proper divisors (26859358).

42207506 is a wasteful number, since it uses less digits than its factorization.

42207506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918536.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 42207506 is about 6496.7304084439. The cubic root of 42207506 is about 348.1741817515.

The spelling of 42207506 in words is "forty-two million, two hundred seven thousand, five hundred six".