6791772 has 72 divisors (see below), whose sum is σ = 18261936. Its totient is φ = 1956864.

The previous prime is 6791767. The next prime is 6791777. The reversal of 6791772 is 2771976.

It is an interprime number because it is at equal distance from previous prime (6791767) and next prime (6791777).

It is a super-2 number, since 2×6791772² = 92256333799968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 6791772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6791777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34378 + ... + 34574.

It is an arithmetic number, because the mean of its divisors is an integer number (253638).

Almost surely, 2^6791772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6791772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9130968).

6791772 is an abundant number, since it is smaller than the sum of its proper divisors (11470164).

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

6791772 is a wasteful number, since it uses less digits than its factorization.

6791772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 232 counting only the distinct ones).

The product of its digits is 37044, while the sum is 39.

The square root of 6791772 is about 2606.1028375718. The cubic root of 6791772 is about 189.3772036254.

The spelling of 6791772 in words is "six million, seven hundred ninety-one thousand, seven hundred seventy-two".