33706725 has 48 divisors (see below), whose sum is σ = 60662784. Its totient is φ = 16416000.

The previous prime is 33706721. The next prime is 33706727. The reversal of 33706725 is 52760733.

It is not a de Polignac number, because 33706725 - 2² = 33706721 is a prime.

It is a super-2 number, since 2×33706725² = 2272286620451250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33706721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 176380 + ... + 176570.

It is an arithmetic number, because the mean of its divisors is an integer number (1263808).

Almost surely, 2^33706725 is an apocalyptic number.

It is an amenable number.

33706725 is a deficient number, since it is larger than the sum of its proper divisors (26956059).

33706725 is a wasteful number, since it uses less digits than its factorization.

33706725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 33706725 is about 5805.7493056452. The cubic root of 33706725 is about 323.0270212260.

The spelling of 33706725 in words is "thirty-three million, seven hundred six thousand, seven hundred twenty-five".