3731694340 has 96 divisors (see below), whose sum is σ = 8992456704. Its totient is φ = 1287538560.

The previous prime is 3731694313. The next prime is 3731694341. The reversal of 3731694340 is 434961373.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3731694293 and 3731694302.

It is not an unprimeable number, because it can be changed into a prime (3731694341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639717 + ... + 645523.

It is an arithmetic number, because the mean of its divisors is an integer number (93671424).

Almost surely, 2^3731694340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3731694340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4496228352).

3731694340 is an abundant number, since it is smaller than the sum of its proper divisors (5260762364).

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

3731694340 is a wasteful number, since it uses less digits than its factorization.

3731694340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977 (or 5975 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 3731694340 is about 61087.5956311918. The cubic root of 3731694340 is about 1551.0841308908.

The spelling of 3731694340 in words is "three billion, seven hundred thirty-one million, six hundred ninety-four thousand, three hundred forty".