33073425 has 144 divisors (see below), whose sum is σ = 77995008. Its totient is φ = 12988800.

The previous prime is 33073423. The next prime is 33073441. The reversal of 33073425 is 52437033.

It is not a de Polignac number, because 33073425 - 2¹ = 33073423 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33073421) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 398434 + ... + 398516.

It is an arithmetic number, because the mean of its divisors is an integer number (541632).

Almost surely, 2^33073425 is an apocalyptic number.

33073425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33073425 is an abundant number, since it is smaller than the sum of its proper divisors (44921583).

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

33073425 is a wasteful number, since it uses less digits than its factorization.

33073425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 33073425 is about 5750.9499215347. The cubic root of 33073425 is about 320.9911489102.

The spelling of 33073425 in words is "thirty-three million, seventy-three thousand, four hundred twenty-five".