3420531732 has 12 divisors (see below), whose sum is σ = 7981240736. Its totient is φ = 1140177240.

The previous prime is 3420531703. The next prime is 3420531739. The reversal of 3420531732 is 2371350243.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 3420531732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420531739) 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, 142522144 + ... + 142522167.

Almost surely, 2^3420531732 is an apocalyptic number.

It is an amenable number.

3420531732 is an abundant number, since it is smaller than the sum of its proper divisors (4560709004).

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

3420531732 is a wasteful number, since it uses less digits than its factorization.

3420531732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285044318 (or 285044316 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 3420531732 is about 58485.3121048353. The cubic root of 3420531732 is about 1506.7153331145.

Adding to 3420531732 its reverse (2371350243), we get a palindrome (5791881975).

The spelling of 3420531732 in words is "three billion, four hundred twenty million, five hundred thirty-one thousand, seven hundred thirty-two".