748669578048 has 672 divisors, whose sum is σ = 2640247923456. Its totient is φ = 197982683136.

The previous prime is 748669578043. The next prime is 748669578049. The reversal of 748669578048 is 840875966847.

748669578048 is a `hidden beast` number, since 7 + 4 + 8 + 6 + 6 + 9 + 578 + 0 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-2 number, since 2×748669578048² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748669578043) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 1262511640 + ... + 1262512232.

Almost surely, 2^748669578048 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 748669578048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320123961728).

748669578048 is an abundant number, since it is smaller than the sum of its proper divisors (1891578345408).

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

748669578048 is a wasteful number, since it uses less digits than its factorization.

748669578048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 650280960, while the sum is 72.

The spelling of 748669578048 in words is "seven hundred forty-eight billion, six hundred sixty-nine million, five hundred seventy-eight thousand, forty-eight".