33906272 has 12 divisors (see below), whose sum is σ = 66753036. Its totient is φ = 16953120.

The previous prime is 33906269. The next prime is 33906283. The reversal of 33906272 is 27260933.

It is a happy number.

It is a super-2 number, since 2×33906272² = 2299270561875968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 1059571 = 33906272 / (3 + 3 + 9 + 0 + 6 + 2 + 7 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529754 + ... + 529817.

It is an arithmetic number, because the mean of its divisors is an integer number (5562753).

Almost surely, 2^33906272 is an apocalyptic number.

33906272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33906272 is a deficient number, since it is larger than the sum of its proper divisors (32846764).

33906272 is a wasteful number, since it uses less digits than its factorization.

33906272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059581 (or 1059573 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 33906272 is about 5822.9092385164. The cubic root of 33906272 is about 323.6632175978.

The spelling of 33906272 in words is "thirty-three million, nine hundred six thousand, two hundred seventy-two".