3213423740 has 24 divisors (see below), whose sum is σ = 6749416800. Its totient is φ = 1285135808.

The previous prime is 3213423737. The next prime is 3213423769. The reversal of 3213423740 is 473243123.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136049 + ... + 157911.

It is an arithmetic number, because the mean of its divisors is an integer number (281225700).

Almost surely, 2^3213423740 is an apocalyptic number.

It is an amenable number.

3213423740 is an abundant number, since it is smaller than the sum of its proper divisors (3535993060).

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

3213423740 is a wasteful number, since it uses less digits than its factorization.

3213423740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29221 (or 29219 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 3213423740 is about 56687.0685430108. The cubic root of 3213423740 is about 1475.6702865639.

Adding to 3213423740 its reverse (473243123), we get a palindrome (3686666863).

The spelling of 3213423740 in words is "three billion, two hundred thirteen million, four hundred twenty-three thousand, seven hundred forty".