42712233 has 4 divisors (see below), whose sum is σ = 56949648. Its totient is φ = 28474820.

The previous prime is 42712231. The next prime is 42712249. The reversal of 42712233 is 33221724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42712233 - 2¹ = 42712231 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42712231) 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, 7118703 + ... + 7118708.

It is an arithmetic number, because the mean of its divisors is an integer number (14237412).

Almost surely, 2^42712233 is an apocalyptic number.

It is an amenable number.

42712233 is a deficient number, since it is larger than the sum of its proper divisors (14237415).

42712233 is a wasteful number, since it uses less digits than its factorization.

42712233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14237414.

The product of its digits is 2016, while the sum is 24.

The square root of 42712233 is about 6535.4596624874. The cubic root of 42712233 is about 349.5565349467.

Adding to 42712233 its reverse (33221724), we get a palindrome (75933957).

The spelling of 42712233 in words is "forty-two million, seven hundred twelve thousand, two hundred thirty-three".