6764404038 has 96 divisors (see below), whose sum is σ = 15914047968. Its totient is φ = 1911168000.

The previous prime is 6764404033. The next prime is 6764404043. The reversal of 6764404038 is 8304044676.

It is an interprime number because it is at equal distance from previous prime (6764404033) and next prime (6764404043).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6764404033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16868638 + ... + 16869038.

It is an arithmetic number, because the mean of its divisors is an integer number (165771333).

Almost surely, 2^6764404038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6764404038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7957023984).

6764404038 is an abundant number, since it is smaller than the sum of its proper divisors (9149643930).

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

6764404038 is a wasteful number, since it uses less digits than its factorization.

6764404038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The square root of 6764404038 is about 82245.9970940836. The cubic root of 6764404038 is about 1891.2249124077.

The spelling of 6764404038 in words is "six billion, seven hundred sixty-four million, four hundred four thousand, thirty-eight".