33479540 has 24 divisors (see below), whose sum is σ = 70818720. Its totient is φ = 13294368.

The previous prime is 33479533. The next prime is 33479573. The reversal of 33479540 is 4597433.

It is a super-2 number, since 2×33479540² = 2241759197223200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33479540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3242 + ... + 8801.

It is an arithmetic number, because the mean of its divisors is an integer number (2950780).

Almost surely, 2^33479540 is an apocalyptic number.

It is an amenable number.

33479540 is an abundant number, since it is smaller than the sum of its proper divisors (37339180).

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

33479540 is a wasteful number, since it uses less digits than its factorization.

33479540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12191 (or 12189 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 33479540 is about 5786.1507066443. The cubic root of 33479540 is about 322.2996451996.

The spelling of 33479540 in words is "thirty-three million, four hundred seventy-nine thousand, five hundred forty".