42070546 has 32 divisors (see below), whose sum is σ = 78008832. Its totient is φ = 16604160.

The previous prime is 42070543. The next prime is 42070547. The reversal of 42070546 is 64507024.

It is not an unprimeable number, because it can be changed into a prime (42070543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9306 + ... + 13066.

It is an arithmetic number, because the mean of its divisors is an integer number (2437776).

Almost surely, 2^42070546 is an apocalyptic number.

42070546 is a deficient number, since it is larger than the sum of its proper divisors (35938286).

42070546 is a wasteful number, since it uses less digits than its factorization.

42070546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3834.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 42070546 is about 6486.1811568904. The cubic root of 42070546 is about 347.7971744949.

The spelling of 42070546 in words is "forty-two million, seventy thousand, five hundred forty-six".