42334947 has 16 divisors (see below), whose sum is σ = 66408480. Its totient is φ = 26562816.

The previous prime is 42334939. The next prime is 42334949. The reversal of 42334947 is 74943324.

It is not a de Polignac number, because 42334947 - 2³ = 42334939 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (42334949) 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, 45658 + ... + 46575.

It is an arithmetic number, because the mean of its divisors is an integer number (4150530).

Almost surely, 2^42334947 is an apocalyptic number.

42334947 is a deficient number, since it is larger than the sum of its proper divisors (24073533).

42334947 is a wasteful number, since it uses less digits than its factorization.

42334947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92259 (or 92253 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 42334947 is about 6506.5311034375. The cubic root of 42334947 is about 348.5242544153.

It can be divided in two parts, 4233 and 4947, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 42334947 in words is "forty-two million, three hundred thirty-four thousand, nine hundred forty-seven".