42570726 has 16 divisors (see below), whose sum is σ = 92881728. Its totient is φ = 12900200.

The previous prime is 42570709. The next prime is 42570743. The reversal of 42570726 is 62707524.

42570726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42570709) and next prime (42570743).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322440 + ... + 322571.

It is an arithmetic number, because the mean of its divisors is an integer number (5805108).

Almost surely, 2^42570726 is an apocalyptic number.

42570726 is an abundant number, since it is smaller than the sum of its proper divisors (50311002).

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

42570726 is a wasteful number, since it uses less digits than its factorization.

42570726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645027.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 42570726 is about 6524.6245869015. The cubic root of 42570726 is about 349.1700771732.

The spelling of 42570726 in words is "forty-two million, five hundred seventy thousand, seven hundred twenty-six".