42249006 has 16 divisors (see below), whose sum is σ = 93886800. Its totient is φ = 14082984.

The previous prime is 42248993. The next prime is 42249017. The reversal of 42249006 is 60094224.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391141 + ... + 391248.

It is an arithmetic number, because the mean of its divisors is an integer number (5867925).

Almost surely, 2^42249006 is an apocalyptic number.

42249006 is an abundant number, since it is smaller than the sum of its proper divisors (51637794).

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

42249006 is a wasteful number, since it uses less digits than its factorization.

42249006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782400 (or 782394 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 42249006 is about 6499.9235380118. The cubic root of 42249006 is about 348.2882570020.

The spelling of 42249006 in words is "forty-two million, two hundred forty-nine thousand, six".