33487772 has 12 divisors (see below), whose sum is σ = 59173296. Its totient is φ = 16581120.

The previous prime is 33487771. The next prime is 33487813. The reversal of 33487772 is 27778433.

It is a super-2 number, since 2×33487772² = 2242861747047968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33487771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40229 + ... + 41052.

It is an arithmetic number, because the mean of its divisors is an integer number (4931108).

Almost surely, 2^33487772 is an apocalyptic number.

It is an amenable number.

33487772 is a deficient number, since it is larger than the sum of its proper divisors (25685524).

33487772 is a wasteful number, since it uses less digits than its factorization.

33487772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81388 (or 81386 counting only the distinct ones).

The product of its digits is 197568, while the sum is 41.

The square root of 33487772 is about 5786.8620166719. The cubic root of 33487772 is about 322.3260588764.

The spelling of 33487772 in words is "thirty-three million, four hundred eighty-seven thousand, seven hundred seventy-two".