42577090 has 16 divisors (see below), whose sum is σ = 77192640. Its totient is φ = 16907760.

The previous prime is 42577069. The next prime is 42577097. The reversal of 42577090 is 9077524.

It is not an unprimeable number, because it can be changed into a prime (42577097) 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, 13926 + ... + 16705.

It is an arithmetic number, because the mean of its divisors is an integer number (4824540).

Almost surely, 2^42577090 is an apocalyptic number.

42577090 is a deficient number, since it is larger than the sum of its proper divisors (34615550).

42577090 is a wasteful number, since it uses less digits than its factorization.

42577090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30777.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 42577090 is about 6525.1122595707. The cubic root of 42577090 is about 349.1874757305.

The spelling of 42577090 in words is "forty-two million, five hundred seventy-seven thousand, ninety".