748317680 has 80 divisors (see below), whose sum is σ = 1959303168. Its totient is φ = 263328000.

The previous prime is 748317667. The next prime is 748317697. The reversal of 748317680 is 86713847.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 13565 + ... + 40995.

Almost surely, 2^748317680 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 748317680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979651584).

748317680 is an abundant number, since it is smaller than the sum of its proper divisors (1210985488).

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

748317680 is a wasteful number, since it uses less digits than its factorization.

748317680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27486 (or 27480 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 748317680 is about 27355.3958114300. The cubic root of 748317680 is about 907.8804593351.

The spelling of 748317680 in words is "seven hundred forty-eight million, three hundred seventeen thousand, six hundred eighty".