749143548120 has 128 divisors (see below), whose sum is σ = 2453104154880. Its totient is φ = 181509696000.

The previous prime is 749143548091. The next prime is 749143548121. The reversal of 749143548120 is 21845341947.

It is a super-2 number, since 2×749143548120² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 749143548120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749143548121) 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, 2233830 + ... + 2547210.

It is an arithmetic number, because the mean of its divisors is an integer number (19164876210).

Almost surely, 2^749143548120 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 749143548120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1226552077440).

749143548120 is an abundant number, since it is smaller than the sum of its proper divisors (1703960606760).

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

749143548120 is a wasteful number, since it uses less digits than its factorization.

749143548120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315217 (or 315213 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 749143548120 in words is "seven hundred forty-nine billion, one hundred forty-three million, five hundred forty-eight thousand, one hundred twenty".