7366567728 has 160 divisors (see below), whose sum is σ = 20774670336. Its totient is φ = 2235884544.

The previous prime is 7366567643. The next prime is 7366567739. The reversal of 7366567728 is 8277656637.

It is a super-2 number, since 2×7366567728² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 23238226 + ... + 23238542.

Almost surely, 2^7366567728 is an apocalyptic number.

7366567728 is a gapful number since it is divisible by the number (78) 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 7366567728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10387335168).

7366567728 is an abundant number, since it is smaller than the sum of its proper divisors (13408102608).

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

7366567728 is a wasteful number, since it uses less digits than its factorization.

7366567728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 725 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 57.

The square root of 7366567728 is about 85828.7115597106. The cubic root of 7366567728 is about 1945.7560763306.

The spelling of 7366567728 in words is "seven billion, three hundred sixty-six million, five hundred sixty-seven thousand, seven hundred twenty-eight".