3425720 has 16 divisors (see below), whose sum is σ = 7707960. Its totient is φ = 1370272.

The previous prime is 3425693. The next prime is 3425729. The reversal of 3425720 is 275243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3425729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42782 + ... + 42861.

Almost surely, 2^3425720 is an apocalyptic number.

It is an amenable number.

3425720 is an abundant number, since it is smaller than the sum of its proper divisors (4282240).

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

3425720 is a wasteful number, since it uses less digits than its factorization.

3425720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85654 (or 85650 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 3425720 is about 1850.8700656718. The cubic root of 3425720 is about 150.7476744350.

The spelling of 3425720 in words is "three million, four hundred twenty-five thousand, seven hundred twenty".