3729073408 has 18 divisors (see below), whose sum is σ = 7443580634. Its totient is φ = 1864536576.

The previous prime is 3729073367. The next prime is 3729073417. The reversal of 3729073408 is 8043709273.

It can be written as a sum of positive squares in only one way, i.e., 3661702144 + 67371264 = 60512^2 + 8208^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7283091 + ... + 7283602.

Almost surely, 2^3729073408 is an apocalyptic number.

It is an amenable number.

3729073408 is a deficient number, since it is larger than the sum of its proper divisors (3714507226).

3729073408 is an equidigital number, since it uses as much as digits as its factorization.

3729073408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14566709 (or 14566695 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 3729073408 is about 61066.1396192685. The cubic root of 3729073408 is about 1550.7209144555.

The spelling of 3729073408 in words is "three billion, seven hundred twenty-nine million, seventy-three thousand, four hundred eight".