6749724777 has 8 divisors (see below), whose sum is σ = 9000114816. Its totient is φ = 4499575632.

The previous prime is 6749724733. The next prime is 6749724781. The reversal of 6749724777 is 7774279476.

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

It is not a de Polignac number, because 6749724777 - 2⁶ = 6749724713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6749724777.

It is not an unprimeable number, because it can be changed into a prime (6749720777) 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, 20688 + ... + 118014.

It is an arithmetic number, because the mean of its divisors is an integer number (1125014352).

Almost surely, 2^6749724777 is an apocalyptic number.

It is an amenable number.

6749724777 is a deficient number, since it is larger than the sum of its proper divisors (2250390039).

6749724777 is a wasteful number, since it uses less digits than its factorization.

6749724777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120447.

The product of its digits is 29042496, while the sum is 60.

The square root of 6749724777 is about 82156.7086548628. The cubic root of 6749724777 is about 1889.8558886227.

The spelling of 6749724777 in words is "six billion, seven hundred forty-nine million, seven hundred twenty-four thousand, seven hundred seventy-seven".