3780730773 has 12 divisors (see below), whose sum is σ = 5550581868. Its totient is φ = 2479167360.

The previous prime is 3780730763. The next prime is 3780730813. The reversal of 3780730773 is 3770370873.

It can be written as a sum of positive squares in 2 ways, for example, as 1426346289 + 2354384484 = 37767^2 + 48522^2 .

It is not a de Polignac number, because 3780730773 - 2⁵ = 3780730741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780730703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3442740 + ... + 3443837.

It is an arithmetic number, because the mean of its divisors is an integer number (462548489).

Almost surely, 2^3780730773 is an apocalyptic number.

It is an amenable number.

3780730773 is a deficient number, since it is larger than the sum of its proper divisors (1769851095).

3780730773 is a wasteful number, since it uses less digits than its factorization.

3780730773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6886644 (or 6886641 counting only the distinct ones).

The product of its (nonzero) digits is 518616, while the sum is 45.

The square root of 3780730773 is about 61487.6473204171. The cubic root of 3780730773 is about 1557.8486085974.

The spelling of 3780730773 in words is "three billion, seven hundred eighty million, seven hundred thirty thousand, seven hundred seventy-three".