42974263 has 4 divisors (see below), whose sum is σ = 43023600. Its totient is φ = 42924928.

The previous prime is 42974233. The next prime is 42974293. The reversal of 42974263 is 36247924.

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

It is an interprime number because it is at equal distance from previous prime (42974233) and next prime (42974293).

It is a cyclic number.

It is not a de Polignac number, because 42974263 - 2¹⁷ = 42843191 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 (42974203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23338 + ... + 25111.

It is an arithmetic number, because the mean of its divisors is an integer number (10755900).

Almost surely, 2^42974263 is an apocalyptic number.

42974263 is a deficient number, since it is larger than the sum of its proper divisors (49337).

42974263 is an equidigital number, since it uses as much as digits as its factorization.

42974263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49336.

The product of its digits is 72576, while the sum is 37.

The square root of 42974263 is about 6555.4758027164. The cubic root of 42974263 is about 350.2698952238.

The spelling of 42974263 in words is "forty-two million, nine hundred seventy-four thousand, two hundred sixty-three".