748671505792 has 128 divisors (see below), whose sum is σ = 1728875715840. Its totient is φ = 316299982848.

The previous prime is 748671505783. The next prime is 748671505823. The reversal of 748671505792 is 297505176847.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 748671505792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34719078 + ... + 34740634.

It is an arithmetic number, because the mean of its divisors is an integer number (13506841530).

Almost surely, 2^748671505792 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 748671505792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864437857920).

748671505792 is an abundant number, since it is smaller than the sum of its proper divisors (980204210048).

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

748671505792 is a wasteful number, since it uses less digits than its factorization.

748671505792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22128 (or 22116 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 61.

The spelling of 748671505792 in words is "seven hundred forty-eight billion, six hundred seventy-one million, five hundred five thousand, seven hundred ninety-two".