42294747 has 16 divisors (see below), whose sum is σ = 61771392. Its totient is φ = 25528320.

The previous prime is 42294727. The next prime is 42294761. The reversal of 42294747 is 74749224.

It is not a de Polignac number, because 42294747 - 2¹⁰ = 42293723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42294727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5988 + ... + 10974.

It is an arithmetic number, because the mean of its divisors is an integer number (3860712).

Almost surely, 2^42294747 is an apocalyptic number.

42294747 is a deficient number, since it is larger than the sum of its proper divisors (19476645).

42294747 is a wasteful number, since it uses less digits than its factorization.

42294747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258.

The product of its digits is 112896, while the sum is 39.

The square root of 42294747 is about 6503.4411660290. The cubic root of 42294747 is about 348.4139034085.

The spelling of 42294747 in words is "forty-two million, two hundred ninety-four thousand, seven hundred forty-seven".