42673797 has 10 divisors (see below), whose sum is σ = 63747398. Its totient is φ = 28449144.

The previous prime is 42673781. The next prime is 42673801. The reversal of 42673797 is 79737624.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40947201 + 1726596 = 6399^2 + 1314^2 .

It is not a de Polignac number, because 42673797 - 2⁴ = 42673781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42673727) 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 9 ways as a sum of consecutive naturals, for example, 263338 + ... + 263499.

Almost surely, 2^42673797 is an apocalyptic number.

It is an amenable number.

42673797 is a deficient number, since it is larger than the sum of its proper divisors (21073601).

42673797 is an equidigital number, since it uses as much as digits as its factorization.

42673797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526849 (or 526840 counting only the distinct ones).

The product of its digits is 444528, while the sum is 45.

The square root of 42673797 is about 6532.5184270693. The cubic root of 42673797 is about 349.4516501850.

The spelling of 42673797 in words is "forty-two million, six hundred seventy-three thousand, seven hundred ninety-seven".