42974567 has 4 divisors (see below), whose sum is σ = 43022856. Its totient is φ = 42926280.

The previous prime is 42974543. The next prime is 42974593. The reversal of 42974567 is 76547924.

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 42974567 - 2⁸ = 42974311 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 (42974507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22784 + ... + 24597.

It is an arithmetic number, because the mean of its divisors is an integer number (10755714).

Almost surely, 2^42974567 is an apocalyptic number.

42974567 is a deficient number, since it is larger than the sum of its proper divisors (48289).

42974567 is an equidigital number, since it uses as much as digits as its factorization.

42974567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48288.

The product of its digits is 423360, while the sum is 44.

The square root of 42974567 is about 6555.4989893981. The cubic root of 42974567 is about 350.2707211584.

The spelling of 42974567 in words is "forty-two million, nine hundred seventy-four thousand, five hundred sixty-seven".