747090648 has 64 divisors (see below), whose sum is σ = 2086120800. Its totient is φ = 247726080.

The previous prime is 747090647. The next prime is 747090661. The reversal of 747090648 is 846090747.

747090648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×747090648³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747090647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32728 + ... + 50648.

Almost surely, 2^747090648 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 747090648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1043060400).

747090648 is an abundant number, since it is smaller than the sum of its proper divisors (1339030152).

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

747090648 is a wasteful number, since it uses less digits than its factorization.

747090648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18129 (or 18119 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 747090648 is about 27332.9590055669. The cubic root of 747090648 is about 907.3839644004.

Subtracting 747090648 from its reverse (846090747), we obtain a palindrome (99000099).

The spelling of 747090648 in words is "seven hundred forty-seven million, ninety thousand, six hundred forty-eight".