3725733394 has 8 divisors (see below), whose sum is σ = 5593606668. Its totient is φ = 1861197840.

The previous prime is 3725733391. The next prime is 3725733433. The reversal of 3725733394 is 4933375273.

It can be written as a sum of positive squares in 2 ways, for example, as 2735813025 + 989920369 = 52305^2 + 31463^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3725733391) 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, 831637 + ... + 836104.

Almost surely, 2^3725733394 is an apocalyptic number.

3725733394 is a deficient number, since it is larger than the sum of its proper divisors (1867873274).

3725733394 is a wasteful number, since it uses less digits than its factorization.

3725733394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668860.

The product of its digits is 1428840, while the sum is 46.

The square root of 3725733394 is about 61038.7859807188. The cubic root of 3725733394 is about 1550.2577988127.

The spelling of 3725733394 in words is "three billion, seven hundred twenty-five million, seven hundred thirty-three thousand, three hundred ninety-four".