33772152 has 32 divisors (see below), whose sum is σ = 84816000. Its totient is φ = 11205984.

The previous prime is 33772147. The next prime is 33772159. The reversal of 33772152 is 25127733.

It is a super-2 number, since 2×33772152² = 2281116501422208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33772159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2349 + ... + 8547.

It is an arithmetic number, because the mean of its divisors is an integer number (2650500).

Almost surely, 2^33772152 is an apocalyptic number.

It is an amenable number.

33772152 is an abundant number, since it is smaller than the sum of its proper divisors (51043848).

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

33772152 is a wasteful number, since it uses less digits than its factorization.

33772152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6435 (or 6431 counting only the distinct ones).

The product of its digits is 8820, while the sum is 30.

The square root of 33772152 is about 5811.3812471735. The cubic root of 33772152 is about 323.2358918004.

Adding to 33772152 its reverse (25127733), we get a palindrome (58899885).

The spelling of 33772152 in words is "thirty-three million, seven hundred seventy-two thousand, one hundred fifty-two".