747559680 has 432 divisors, whose sum is σ = 2894058720. Its totient is φ = 163774464.

The previous prime is 747559679. The next prime is 747559691. The reversal of 747559680 is 86955747.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5456572 + ... + 5456708.

It is an arithmetic number, because the mean of its divisors is an integer number (6699210).

Almost surely, 2^747559680 is an apocalyptic number.

747559680 is a gapful number since it is divisible by the number (70) 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 747559680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447029360).

747559680 is an abundant number, since it is smaller than the sum of its proper divisors (2146499040).

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

747559680 is a wasteful number, since it uses less digits than its factorization.

747559680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 747559680 is about 27341.5376304991. The cubic root of 747559680 is about 907.5738133314.

The spelling of 747559680 in words is "seven hundred forty-seven million, five hundred fifty-nine thousand, six hundred eighty".