33272940 has 48 divisors (see below), whose sum is σ = 94141152. Its totient is φ = 8779776.

The previous prime is 33272909. The next prime is 33272969. The reversal of 33272940 is 4927233.

It is a super-2 number, since 2×33272940² = 2214177072487200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 33272898 and 33272907.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2962 + ... + 8678.

It is an arithmetic number, because the mean of its divisors is an integer number (1961274).

Almost surely, 2^33272940 is an apocalyptic number.

33272940 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 33272940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47070576).

33272940 is an abundant number, since it is smaller than the sum of its proper divisors (60868212).

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

33272940 is a wasteful number, since it uses less digits than its factorization.

33272940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5826 (or 5824 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 33272940 is about 5768.2701046328. The cubic root of 33272940 is about 321.6353136267.

The spelling of 33272940 in words is "thirty-three million, two hundred seventy-two thousand, nine hundred forty".