40724134 has 8 divisors (see below), whose sum is σ = 66639528. Its totient is φ = 18510960.

The previous prime is 40724113. The next prime is 40724143. The reversal of 40724134 is 43142704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40724099 and 40724108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925527 + ... + 925570.

It is an arithmetic number, because the mean of its divisors is an integer number (8329941).

Almost surely, 2^40724134 is an apocalyptic number.

40724134 is a deficient number, since it is larger than the sum of its proper divisors (25915394).

40724134 is a wasteful number, since it uses less digits than its factorization.

40724134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851110.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 40724134 is about 6381.5463643227. The cubic root of 40724134 is about 344.0466123514.

Adding to 40724134 its reverse (43142704), we get a palindrome (83866838).

The spelling of 40724134 in words is "forty million, seven hundred twenty-four thousand, one hundred thirty-four".