42370890 has 16 divisors (see below), whose sum is σ = 101690208. Its totient is φ = 11298896.

The previous prime is 42370877. The next prime is 42370891. The reversal of 42370890 is 9807324.

It is not an unprimeable number, because it can be changed into a prime (42370891) 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 7 ways as a sum of consecutive naturals, for example, 706152 + ... + 706211.

It is an arithmetic number, because the mean of its divisors is an integer number (6355638).

Almost surely, 2^42370890 is an apocalyptic number.

42370890 is an abundant number, since it is smaller than the sum of its proper divisors (59319318).

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

42370890 is a wasteful number, since it uses less digits than its factorization.

42370890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412373.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 42370890 is about 6509.2925882925. The cubic root of 42370890 is about 348.6228606074.

The spelling of 42370890 in words is "forty-two million, three hundred seventy thousand, eight hundred ninety".