40712234 has 4 divisors (see below), whose sum is σ = 61068354. Its totient is φ = 20356116.

The previous prime is 40712213. The next prime is 40712237. The reversal of 40712234 is 43221704.

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

It can be written as a sum of positive squares in only one way, i.e., 38477209 + 2235025 = 6203^2 + 1495^2 .

It is not an unprimeable number, because it can be changed into a prime (40712237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10178057 + ... + 10178060.

Almost surely, 2^40712234 is an apocalyptic number.

40712234 is a deficient number, since it is larger than the sum of its proper divisors (20356120).

40712234 is a wasteful number, since it uses less digits than its factorization.

40712234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20356119.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40712234 is about 6380.6139203058. The cubic root of 40712234 is about 344.0130977977.

Adding to 40712234 its reverse (43221704), we get a palindrome (83933938).

The spelling of 40712234 in words is "forty million, seven hundred twelve thousand, two hundred thirty-four".