3729793128 has 16 divisors (see below), whose sum is σ = 9324482880. Its totient is φ = 1243264368.

The previous prime is 3729793099. The next prime is 3729793139. The reversal of 3729793128 is 8213979273.

It is a super-2 number, since 2×3729793128² = 27822713555352048768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77704000 + ... + 77704047.

It is an arithmetic number, because the mean of its divisors is an integer number (582780180).

Almost surely, 2^3729793128 is an apocalyptic number.

It is an amenable number.

3729793128 is an abundant number, since it is smaller than the sum of its proper divisors (5594689752).

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

3729793128 is a wasteful number, since it uses less digits than its factorization.

3729793128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155408056 (or 155408052 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 51.

The square root of 3729793128 is about 61072.0322897478. The cubic root of 3729793128 is about 1550.8206723078.

The spelling of 3729793128 in words is "three billion, seven hundred twenty-nine million, seven hundred ninety-three thousand, one hundred twenty-eight".