3729197522 has 18 divisors (see below), whose sum is σ = 5797230543. Its totient is φ = 1799093184.

The previous prime is 3729197513. The next prime is 3729197533. The reversal of 3729197522 is 2257919273.

3729197522 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 5 ways, for example, as 874325761 + 2854871761 = 29569^2 + 53431^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=43181.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2503754 + ... + 2505242.

Almost surely, 2^3729197522 is an apocalyptic number.

3729197522 is a deficient number, since it is larger than the sum of its proper divisors (2068033021).

3729197522 is an frugal number, since it uses more digits than its factorization.

3729197522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038 (or 1520 counting only the distinct ones).

The product of its digits is 476280, while the sum is 47.

The square root of 3729197522 is about 61067.1558368326. The cubic root of 3729197522 is about 1550.7381183754.

The spelling of 3729197522 in words is "three billion, seven hundred twenty-nine million, one hundred ninety-seven thousand, five hundred twenty-two".