33748272 has 40 divisors (see below), whose sum is σ = 96871280. Its totient is φ = 11249280.

The previous prime is 33748271. The next prime is 33748279. The reversal of 33748272 is 27284733.

It is a super-2 number, since 2×33748272² = 2277891725971968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (33748271) 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, 38629 + ... + 39492.

It is an arithmetic number, because the mean of its divisors is an integer number (2421782).

Almost surely, 2^33748272 is an apocalyptic number.

It is an amenable number.

33748272 is an abundant number, since it is smaller than the sum of its proper divisors (63123008).

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

33748272 is a wasteful number, since it uses less digits than its factorization.

33748272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78138 (or 78126 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 33748272 is about 5809.3262948469. The cubic root of 33748272 is about 323.1596880578.

The spelling of 33748272 in words is "thirty-three million, seven hundred forty-eight thousand, two hundred seventy-two".