42572277 has 48 divisors (see below), whose sum is σ = 70607040. Its totient is φ = 25328160.

The previous prime is 42572273. The next prime is 42572329. The reversal of 42572277 is 77227524.

42572277 is a `hidden beast` number, since 425 + 7 + 227 + 7 = 666.

It is not a de Polignac number, because 42572277 - 2² = 42572273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42572273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 271083 + ... + 271239.

It is an arithmetic number, because the mean of its divisors is an integer number (1470980).

Almost surely, 2^42572277 is an apocalyptic number.

It is an amenable number.

42572277 is a deficient number, since it is larger than the sum of its proper divisors (28034763).

42572277 is a wasteful number, since it uses less digits than its factorization.

42572277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 254 counting only the distinct ones).

The product of its digits is 54880, while the sum is 36.

The square root of 42572277 is about 6524.7434432321. The cubic root of 42572277 is about 349.1743176162.

It can be divided in two parts, 42572 and 277, that added together give a square (42849 = 207²).

The spelling of 42572277 in words is "forty-two million, five hundred seventy-two thousand, two hundred seventy-seven".