33040740 has 24 divisors (see below), whose sum is σ = 92514240. Its totient is φ = 8810848.

The previous prime is 33040739. The next prime is 33040757. The reversal of 33040740 is 4704033.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275280 + ... + 275399.

It is an arithmetic number, because the mean of its divisors is an integer number (3854760).

Almost surely, 2^33040740 is an apocalyptic number.

33040740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33040740 is an abundant number, since it is smaller than the sum of its proper divisors (59473500).

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

33040740 is a wasteful number, since it uses less digits than its factorization.

33040740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550691 (or 550689 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 33040740 is about 5748.1075146521. The cubic root of 33040740 is about 320.8853736165.

Adding to 33040740 its reverse (4704033), we get a palindrome (37744773).

The spelling of 33040740 in words is "thirty-three million, forty thousand, seven hundred forty".