33472539 has 12 divisors (see below), whose sum is σ = 48647976. Its totient is φ = 22177152.

The previous prime is 33472499. The next prime is 33472553. The reversal of 33472539 is 93527433.

It is not a de Polignac number, because 33472539 - 2²³ = 25083931 is a prime.

It is a super-2 number, since 2×33472539² = 2240821734213042, 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 not an unprimeable number, because it can be changed into a prime (33472589) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9942 + ... + 12875.

It is an arithmetic number, because the mean of its divisors is an integer number (4053998).

Almost surely, 2^33472539 is an apocalyptic number.

33472539 is a deficient number, since it is larger than the sum of its proper divisors (15175437).

33472539 is a wasteful number, since it uses less digits than its factorization.

33472539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22986 (or 22983 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 33472539 is about 5785.5456959564. The cubic root of 33472539 is about 322.2771779741.

It can be divided in two parts, 3347 and 2539, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 33472539 in words is "thirty-three million, four hundred seventy-two thousand, five hundred thirty-nine".