3406678740 has 72 divisors (see below), whose sum is σ = 10338368040. Its totient is φ = 908027904.

The previous prime is 3406678727. The next prime is 3406678747. The reversal of 3406678740 is 478766043.

3406678740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 46621584 + 3360057156 = 6828^2 + 57966^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3406678747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 704812 + ... + 709628.

It is an arithmetic number, because the mean of its divisors is an integer number (143588445).

Almost surely, 2^3406678740 is an apocalyptic number.

3406678740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3406678740 is an abundant number, since it is smaller than the sum of its proper divisors (6931689300).

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

3406678740 is a wasteful number, since it uses less digits than its factorization.

3406678740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8761 (or 8756 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 3406678740 is about 58366.7605748340. The cubic root of 3406678740 is about 1504.6785390104.

The spelling of 3406678740 in words is "three billion, four hundred six million, six hundred seventy-eight thousand, seven hundred forty".