33870241725 has 12 divisors (see below), whose sum is σ = 55998799776. Its totient is φ = 18064128880.

The previous prime is 33870241721. The next prime is 33870241751. The reversal of 33870241725 is 52714207833.

It is a happy number.

It is not a de Polignac number, because 33870241725 - 2² = 33870241721 is a prime.

It is a super-2 number, since 2×33870241725² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33870241721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225801537 + ... + 225801686.

It is an arithmetic number, because the mean of its divisors is an integer number (4666566648).

Almost surely, 2^33870241725 is an apocalyptic number.

It is an amenable number.

33870241725 is a deficient number, since it is larger than the sum of its proper divisors (22128558051).

33870241725 is a wasteful number, since it uses less digits than its factorization.

33870241725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451603236 (or 451603231 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 33870241725 in words is "thirty-three billion, eight hundred seventy million, two hundred forty-one thousand, seven hundred twenty-five".