747678364160 has 320 divisors, whose sum is σ = 2209208601600. Its totient is φ = 236323602432.

The previous prime is 747678364129. The next prime is 747678364163. The reversal of 747678364160 is 61463876747.

It is a tau number, because it is divible by the number of its divisors (320).

It is a self number, because there is not a number n which added to its sum of digits gives 747678364160.

It is not an unprimeable number, because it can be changed into a prime (747678364163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242043896 + ... + 242046984.

It is an arithmetic number, because the mean of its divisors is an integer number (6903776880).

Almost surely, 2^747678364160 is an apocalyptic number.

747678364160 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 747678364160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1104604300800).

747678364160 is an abundant number, since it is smaller than the sum of its proper divisors (1461530237440).

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

747678364160 is a wasteful number, since it uses less digits than its factorization.

747678364160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171 (or 4155 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 59.

The spelling of 747678364160 in words is "seven hundred forty-seven billion, six hundred seventy-eight million, three hundred sixty-four thousand, one hundred sixty".