747300528 has 120 divisors (see below), whose sum is σ = 2259417888. Its totient is φ = 229211136.

The previous prime is 747300523. The next prime is 747300577. The reversal of 747300528 is 825003747.

747300528 = 4817² + 4818² + ... + 4848².

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 747300492 and 747300501.

It is not an unprimeable number, because it can be changed into a prime (747300523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1154701 + ... + 1155347.

Almost surely, 2^747300528 is an apocalyptic number.

747300528 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 747300528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1129708944).

747300528 is an abundant number, since it is smaller than the sum of its proper divisors (1512117360).

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

747300528 is a wasteful number, since it uses less digits than its factorization.

747300528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 747300528 is about 27336.7980568317. The cubic root of 747300528 is about 907.4689268326.

The spelling of 747300528 in words is "seven hundred forty-seven million, three hundred thousand, five hundred twenty-eight".