4742783781 has 8 divisors (see below), whose sum is σ = 6656538720. Its totient is φ = 2995442352.

The previous prime is 4742783761. The next prime is 4742783797. The reversal of 4742783781 is 1873872474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4742783781 - 2¹¹ = 4742781733 is a prime.

It is a super-2 number, since 2×4742783781² = 44987995986633311922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4742783761) 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, 41603310 + ... + 41603423.

It is an arithmetic number, because the mean of its divisors is an integer number (832067340).

Almost surely, 2^4742783781 is an apocalyptic number.

It is an amenable number.

4742783781 is a deficient number, since it is larger than the sum of its proper divisors (1913754939).

4742783781 is a wasteful number, since it uses less digits than its factorization.

4742783781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83206755.

The product of its digits is 2107392, while the sum is 51.

The square root of 4742783781 is about 68867.8719070076. The cubic root of 4742783781 is about 1680.1360175446.

The spelling of 4742783781 in words is "four billion, seven hundred forty-two million, seven hundred eighty-three thousand, seven hundred eighty-one".