42774275 has 24 divisors (see below), whose sum is σ = 56246400. Its totient is φ = 32211200.

The previous prime is 42774271. The next prime is 42774287. The reversal of 42774275 is 57247724.

It is not a de Polignac number, because 42774275 - 2² = 42774271 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42774271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29006 + ... + 30444.

It is an arithmetic number, because the mean of its divisors is an integer number (2343600).

Almost surely, 2^42774275 is an apocalyptic number.

42774275 is a deficient number, since it is larger than the sum of its proper divisors (13472125).

42774275 is a wasteful number, since it uses less digits than its factorization.

42774275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519 (or 1514 counting only the distinct ones).

The product of its digits is 109760, while the sum is 38.

The square root of 42774275 is about 6540.2045075059. The cubic root of 42774275 is about 349.7257034561.

The spelling of 42774275 in words is "forty-two million, seven hundred seventy-four thousand, two hundred seventy-five".