33770740 has 24 divisors (see below), whose sum is σ = 71350272. Its totient is φ = 13426080.

The previous prime is 33770731. The next prime is 33770741. The reversal of 33770740 is 4707733.

It is a super-2 number, since 2×33770740² = 2280925760295200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33770741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716 + ... + 8395.

It is an arithmetic number, because the mean of its divisors is an integer number (2972928).

Almost surely, 2^33770740 is an apocalyptic number.

It is an amenable number.

33770740 is an abundant number, since it is smaller than the sum of its proper divisors (37579532).

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

33770740 is a wasteful number, since it uses less digits than its factorization.

33770740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10287 (or 10285 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 33770740 is about 5811.2597601553. The cubic root of 33770740 is about 323.2313869503.

The spelling of 33770740 in words is "thirty-three million, seven hundred seventy thousand, seven hundred forty".