3775216730 has 16 divisors (see below), whose sum is σ = 6797929320. Its totient is φ = 1509522432.

The previous prime is 3775216721. The next prime is 3775216733. The reversal of 3775216730 is 376125773.

It can be written as a sum of positive squares in 4 ways, for example, as 3319949161 + 455267569 = 57619^2 + 21337^2 .

It is a super-2 number, since 2×3775216730² = 28504522716943785800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3775216733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41879 + ... + 96458.

Almost surely, 2^3775216730 is an apocalyptic number.

3775216730 is a deficient number, since it is larger than the sum of its proper divisors (3022712590).

3775216730 is a wasteful number, since it uses less digits than its factorization.

3775216730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141073.

The product of its (nonzero) digits is 185220, while the sum is 41.

The square root of 3775216730 is about 61442.7923356353. The cubic root of 3775216730 is about 1557.0908870355.

The spelling of 3775216730 in words is "three billion, seven hundred seventy-five million, two hundred sixteen thousand, seven hundred thirty".