3306209725 has 48 divisors (see below), whose sum is σ = 5342658048. Its totient is φ = 1969597440.

The previous prime is 3306209717. The next prime is 3306209743. The reversal of 3306209725 is 5279026033.

It is not a de Polignac number, because 3306209725 - 2³ = 3306209717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4069 + ... + 81418.

It is an arithmetic number, because the mean of its divisors is an integer number (111305376).

Almost surely, 2^3306209725 is an apocalyptic number.

3306209725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3306209725 is a deficient number, since it is larger than the sum of its proper divisors (2036448323).

3306209725 is a wasteful number, since it uses less digits than its factorization.

3306209725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85534 (or 85529 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 3306209725 is about 57499.6497815421. The cubic root of 3306209725 is about 1489.7388135792.

The spelling of 3306209725 in words is "three billion, three hundred six million, two hundred nine thousand, seven hundred twenty-five".