33487072 has 24 divisors (see below), whose sum is σ = 67711896. Its totient is φ = 16290432.

The previous prime is 33487061. The next prime is 33487081. The reversal of 33487072 is 27078433.

It is a super-2 number, since 2×33487072² = 2242767982266368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12958 + ... + 15325.

It is an arithmetic number, because the mean of its divisors is an integer number (2821329).

Almost surely, 2^33487072 is an apocalyptic number.

33487072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33487072 is an abundant number, since it is smaller than the sum of its proper divisors (34224824).

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

33487072 is a wasteful number, since it uses less digits than its factorization.

33487072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28330 (or 28322 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 33487072 is about 5786.8015345267. The cubic root of 33487072 is about 322.3238129839.

The spelling of 33487072 in words is "thirty-three million, four hundred eighty-seven thousand, seventy-two".