747115878432 has 288 divisors, whose sum is σ = 2465408002176. Its totient is φ = 193916067840.

The previous prime is 747115878349. The next prime is 747115878451. The reversal of 747115878432 is 234878511747.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160426248 + ... + 160430904.

It is an arithmetic number, because the mean of its divisors is an integer number (8560444452).

Almost surely, 2^747115878432 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 747115878432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1232704001088).

747115878432 is an abundant number, since it is smaller than the sum of its proper divisors (1718292123744).

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

747115878432 is a wasteful number, since it uses less digits than its factorization.

747115878432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6672 (or 6653 counting only the distinct ones).

The product of its digits is 10536960, while the sum is 57.

The spelling of 747115878432 in words is "seven hundred forty-seven billion, one hundred fifteen million, eight hundred seventy-eight thousand, four hundred thirty-two".