747745894806912 has 512 divisors, whose sum is σ = 2288351106662400. Its totient is φ = 240121880248320.

The previous prime is 747745894806847. The next prime is 747745894806929. The reversal of 747745894806912 is 219608498547747.

747745894806912 is a `hidden beast` number, since 7 + 4 + 7 + 7 + 45 + 8 + 9 + 480 + 6 + 91 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50194387048 + ... + 50194401944.

It is an arithmetic number, because the mean of its divisors is an integer number (4469435755200).

Almost surely, 2^{747745894806912} is an apocalyptic number.

747745894806912 is a gapful number since it is divisible by the number (72) 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 747745894806912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1144175553331200).

747745894806912 is an abundant number, since it is smaller than the sum of its proper divisors (1540605211855488).

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

747745894806912 is a wasteful number, since it uses less digits than its factorization.

747745894806912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17031 (or 17013 counting only the distinct ones).

The product of its (nonzero) digits is 6827950080, while the sum is 81.

The spelling of 747745894806912 in words is "seven hundred forty-seven trillion, seven hundred forty-five billion, eight hundred ninety-four million, eight hundred six thousand, nine hundred twelve".