42150726 has 32 divisors (see below), whose sum is σ = 93905280. Its totient is φ = 14014728.

The previous prime is 42150677. The next prime is 42150727. The reversal of 42150726 is 62705124.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42150726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42150727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28825 + ... + 30251.

It is an arithmetic number, because the mean of its divisors is an integer number (2934540).

Almost surely, 2^42150726 is an apocalyptic number.

42150726 is an abundant number, since it is smaller than the sum of its proper divisors (51754554).

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

42150726 is a wasteful number, since it uses less digits than its factorization.

42150726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 42150726 is about 6492.3590473725. The cubic root of 42150726 is about 348.0179836129.

The spelling of 42150726 in words is "forty-two million, one hundred fifty thousand, seven hundred twenty-six".