42174733 has 2 divisors, whose sum is σ = 42174734. Its totient is φ = 42174732.

The previous prime is 42174731. The next prime is 42174751. The reversal of 42174733 is 33747124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40106889 + 2067844 = 6333^2 + 1438^2 .

It is a cyclic number.

It is not a de Polignac number, because 42174733 - 2¹ = 42174731 is a prime.

Together with 42174731, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 42174695 and 42174704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42174731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21087366 + 21087367.

It is an arithmetic number, because the mean of its divisors is an integer number (21087367).

Almost surely, 2^42174733 is an apocalyptic number.

It is an amenable number.

42174733 is a deficient number, since it is larger than the sum of its proper divisors (1).

42174733 is an equidigital number, since it uses as much as digits as its factorization.

42174733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 31.

The square root of 42174733 is about 6494.2076498985. The cubic root of 42174733 is about 348.0840424360.

The spelling of 42174733 in words is "forty-two million, one hundred seventy-four thousand, seven hundred thirty-three".