42767245 has 4 divisors (see below), whose sum is σ = 51320700. Its totient is φ = 34213792.

The previous prime is 42767213. The next prime is 42767261. The reversal of 42767245 is 54276724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8404201 + 34363044 = 2899^2 + 5862^2 .

It is a cyclic number.

It is not a de Polignac number, because 42767245 - 2⁵ = 42767213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4276720 + ... + 4276729.

It is an arithmetic number, because the mean of its divisors is an integer number (12830175).

Almost surely, 2^42767245 is an apocalyptic number.

It is an amenable number.

42767245 is a deficient number, since it is larger than the sum of its proper divisors (8553455).

42767245 is an equidigital number, since it uses as much as digits as its factorization.

42767245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8553454.

The product of its digits is 94080, while the sum is 37.

The square root of 42767245 is about 6539.6670404540. The cubic root of 42767245 is about 349.7065431360.

The spelling of 42767245 in words is "forty-two million, seven hundred sixty-seven thousand, two hundred forty-five".