33457068 has 72 divisors (see below), whose sum is σ = 88888800. Its totient is φ = 10596096.

The previous prime is 33457049. The next prime is 33457087. The reversal of 33457068 is 86075433.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (33457049) and next prime (33457087).

It is a super-2 number, since 2×33457068² = 2238750798313248, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75993 + ... + 76431.

Almost surely, 2^33457068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33457068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44444400).

33457068 is an abundant number, since it is smaller than the sum of its proper divisors (55431732).

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

33457068 is a wasteful number, since it uses less digits than its factorization.

33457068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 33457068 is about 5784.2085024660. The cubic root of 33457068 is about 322.2275181760.

The spelling of 33457068 in words is "thirty-three million, four hundred fifty-seven thousand, sixty-eight".