33880770 has 96 divisors (see below), whose sum is σ = 109848960. Its totient is φ = 7038720.

The previous prime is 33880747. The next prime is 33880783. The reversal of 33880770 is 7708833.

It is a super-2 number, since 2×33880770² = 2295813151585800, which contains 22 as substring.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 4486 + ... + 9374.

It is an arithmetic number, because the mean of its divisors is an integer number (1144260).

Almost surely, 2^33880770 is an apocalyptic number.

33880770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33880770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54924480).

33880770 is an abundant number, since it is smaller than the sum of its proper divisors (75968190).

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

33880770 is a wasteful number, since it uses less digits than its factorization.

33880770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4920 (or 4917 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 33880770 is about 5820.7190277491. The cubic root of 33880770 is about 323.5820513992.

The spelling of 33880770 in words is "thirty-three million, eight hundred eighty thousand, seven hundred seventy".