33868740 has 96 divisors (see below), whose sum is σ = 99348480. Its totient is φ = 8611200.

The previous prime is 33868721. The next prime is 33868753. The reversal of 33868740 is 4786833.

It is a super-2 number, since 2×33868740² = 2294183098375200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243591 + ... + 243729.

It is an arithmetic number, because the mean of its divisors is an integer number (1034880).

Almost surely, 2^33868740 is an apocalyptic number.

33868740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33868740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49674240).

33868740 is an abundant number, since it is smaller than the sum of its proper divisors (65479740).

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

33868740 is a wasteful number, since it uses less digits than its factorization.

33868740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 33868740 is about 5819.6855585160. The cubic root of 33868740 is about 323.5437489158.

The spelling of 33868740 in words is "thirty-three million, eight hundred sixty-eight thousand, seven hundred forty".