33457130 has 32 divisors (see below), whose sum is σ = 70001280. Its totient is φ = 11275200.

The previous prime is 33457121. The next prime is 33457133. The reversal of 33457130 is 3175433.

It is a super-2 number, since 2×33457130² = 2238759095673800, 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 33457130.

It is not an unprimeable number, because it can be changed into a prime (33457133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80 + ... + 8180.

It is an arithmetic number, because the mean of its divisors is an integer number (2187540).

Almost surely, 2^33457130 is an apocalyptic number.

33457130 is an abundant number, since it is smaller than the sum of its proper divisors (36544150).

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

33457130 is a wasteful number, since it uses less digits than its factorization.

33457130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8174.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 33457130 is about 5784.2138618830. The cubic root of 33457130 is about 322.2277172181.

The spelling of 33457130 in words is "thirty-three million, four hundred fifty-seven thousand, one hundred thirty".