7746052720 has 160 divisors (see below), whose sum is σ = 21875349888. Its totient is φ = 2490138624.

The previous prime is 7746052697. The next prime is 7746052729. The reversal of 7746052720 is 272506477.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7746052729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2787972 + ... + 2790748.

Almost surely, 2^7746052720 is an apocalyptic number.

7746052720 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7746052720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10937674944).

7746052720 is an abundant number, since it is smaller than the sum of its proper divisors (14129297168).

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

7746052720 is a wasteful number, since it uses less digits than its factorization.

7746052720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107 (or 3101 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 40.

The square root of 7746052720 is about 88011.6624090240. The cubic root of 7746052720 is about 1978.6097713019.

The spelling of 7746052720 in words is "seven billion, seven hundred forty-six million, fifty-two thousand, seven hundred twenty".