7724667056 has 20 divisors (see below), whose sum is σ = 15754255800. Its totient is φ = 3659052672.

The previous prime is 7724667029. The next prime is 7724667059. The reversal of 7724667056 is 6507664277.

It is a super-2 number, since 2×7724667056² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7724666995 and 7724667013.

It is not an unprimeable number, because it can be changed into a prime (7724667059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12704741 + ... + 12705348.

It is an arithmetic number, because the mean of its divisors is an integer number (787712790).

Almost surely, 2^7724667056 is an apocalyptic number.

7724667056 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

7724667056 is an abundant number, since it is smaller than the sum of its proper divisors (8029588744).

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

7724667056 is a wasteful number, since it uses less digits than its factorization.

7724667056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25410116 (or 25410110 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 50.

The square root of 7724667056 is about 87890.0850835861. The cubic root of 7724667056 is about 1976.7872135924.

The spelling of 7724667056 in words is "seven billion, seven hundred twenty-four million, six hundred sixty-seven thousand, fifty-six".