42904277 has 16 divisors (see below), whose sum is σ = 49533120. Its totient is φ = 36809472.

The previous prime is 42904271. The next prime is 42904297. The reversal of 42904277 is 77240924.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42904277 - 2¹⁸ = 42642133 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42904271) 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, 17174 + ... + 19512.

It is an arithmetic number, because the mean of its divisors is an integer number (3095820).

Almost surely, 2^42904277 is an apocalyptic number.

It is an amenable number.

42904277 is a deficient number, since it is larger than the sum of its proper divisors (6628843).

42904277 is a wasteful number, since it uses less digits than its factorization.

42904277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 42904277 is about 6550.1356474504. The cubic root of 42904277 is about 350.0796471800.

The spelling of 42904277 in words is "forty-two million, nine hundred four thousand, two hundred seventy-seven".