743828652 has 72 divisors (see below), whose sum is σ = 2155974912. Its totient is φ = 211816800.

The previous prime is 743828647. The next prime is 743828699. The reversal of 743828652 is 256828347.

It is a super-2 number, since 2×743828652² = 1106562127072274208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 743828598 and 743828607.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73627 + ... + 83117.

It is an arithmetic number, because the mean of its divisors is an integer number (29944096).

Almost surely, 2^743828652 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 743828652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1077987456).

743828652 is an abundant number, since it is smaller than the sum of its proper divisors (1412146260).

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

743828652 is a wasteful number, since it uses less digits than its factorization.

743828652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9819 (or 9814 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 743828652 is about 27273.2222518719. Note that the first 4 decimals coincide. The cubic root of 743828652 is about 906.0614112723.

The spelling of 743828652 in words is "seven hundred forty-three million, eight hundred twenty-eight thousand, six hundred fifty-two".