749425531776 has 128 divisors (see below), whose sum is σ = 2010385850400. Its totient is φ = 247337975808.

The previous prime is 749425531747. The next prime is 749425531819. The reversal of 749425531776 is 677135524947.

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

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, 43773970 + ... + 43791086.

Almost surely, 2^749425531776 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 749425531776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005192925200).

749425531776 is an abundant number, since it is smaller than the sum of its proper divisors (1260960318624).

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

749425531776 is a wasteful number, since it uses less digits than its factorization.

749425531776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18256 (or 18244 counting only the distinct ones).

The product of its digits is 44452800, while the sum is 60.

The spelling of 749425531776 in words is "seven hundred forty-nine billion, four hundred twenty-five million, five hundred thirty-one thousand, seven hundred seventy-six".