42796187 has 4 divisors (see below), whose sum is σ = 48909936. Its totient is φ = 36682440.

The previous prime is 42796133. The next prime is 42796219. The reversal of 42796187 is 78169724.

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

It is a cyclic number.

It is not a de Polignac number, because 42796187 - 2¹⁸ = 42534043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42796487) 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 3 ways as a sum of consecutive naturals, for example, 3056864 + ... + 3056877.

It is an arithmetic number, because the mean of its divisors is an integer number (12227484).

Almost surely, 2^42796187 is an apocalyptic number.

42796187 is a deficient number, since it is larger than the sum of its proper divisors (6113749).

42796187 is an equidigital number, since it uses as much as digits as its factorization.

42796187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6113748.

The product of its digits is 169344, while the sum is 44.

The square root of 42796187 is about 6541.8794699994. The cubic root of 42796187 is about 349.7854113175.

The spelling of 42796187 in words is "forty-two million, seven hundred ninety-six thousand, one hundred eighty-seven".