40033734 has 32 divisors (see below), whose sum is σ = 86765280. Its totient is φ = 12314016.

The previous prime is 40033733. The next prime is 40033739. The reversal of 40033734 is 43733004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40033733) 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, 11664 + ... + 14700.

It is an arithmetic number, because the mean of its divisors is an integer number (2711415).

Almost surely, 2^40033734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40033734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43382640).

40033734 is an abundant number, since it is smaller than the sum of its proper divisors (46731546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40033734 is a wasteful number, since it uses less digits than its factorization.

40033734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3081 (or 3055 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 40033734 is about 6327.2216651545. The cubic root of 40033734 is about 342.0913028689.

Adding to 40033734 its reverse (43733004), we get a palindrome (83766738).

The spelling of 40033734 in words is "forty million, thirty-three thousand, seven hundred thirty-four".