6744724650 has 36 divisors (see below), whose sum is σ = 18120828102. Its totient is φ = 1798593120.

The previous prime is 6744724643. The next prime is 6744724667. The reversal of 6744724650 is 564274476.

It can be written as a sum of positive squares in 3 ways, for example, as 5941172241 + 803552409 = 77079^2 + 28347^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 6744724596 and 6744724605.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7493689 + ... + 7494588.

Almost surely, 2^6744724650 is an apocalyptic number.

6744724650 is an abundant number, since it is smaller than the sum of its proper divisors (11376103452).

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

6744724650 is a wasteful number, since it uses less digits than its factorization.

6744724650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14988295 (or 14988287 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The square root of 6744724650 is about 82126.2725928798. The cubic root of 6744724650 is about 1889.3891113789.

The spelling of 6744724650 in words is "six billion, seven hundred forty-four million, seven hundred twenty-four thousand, six hundred fifty".