42495970 has 32 divisors (see below), whose sum is σ = 87842880. Its totient is φ = 14639040.

The previous prime is 42495949. The next prime is 42495977. The reversal of 42495970 is 7959424.

42495970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42495977) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8077 + ... + 12256.

It is an arithmetic number, because the mean of its divisors is an integer number (2745090).

Almost surely, 2^42495970 is an apocalyptic number.

42495970 is an abundant number, since it is smaller than the sum of its proper divisors (45346910).

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

42495970 is a wasteful number, since it uses less digits than its factorization.

42495970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20370.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 42495970 is about 6518.8933109846. The cubic root of 42495970 is about 348.9655715991.

The spelling of 42495970 in words is "forty-two million, four hundred ninety-five thousand, nine hundred seventy".