33081772 has 12 divisors (see below), whose sum is σ = 58874760. Its totient is φ = 16260416.

The previous prime is 33081733. The next prime is 33081781. The reversal of 33081772 is 27718033.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69853 + ... + 70324.

It is an arithmetic number, because the mean of its divisors is an integer number (4906230).

Almost surely, 2^33081772 is an apocalyptic number.

It is an amenable number.

33081772 is a deficient number, since it is larger than the sum of its proper divisors (25792988).

33081772 is a wasteful number, since it uses less digits than its factorization.

33081772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140240 (or 140238 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 33081772 is about 5751.6755819500. The cubic root of 33081772 is about 321.0181503245.

The spelling of 33081772 in words is "thirty-three million, eighty-one thousand, seven hundred seventy-two".