749858340 has 192 divisors, whose sum is σ = 2645250048. Its totient is φ = 154176000.

The previous prime is 749858339. The next prime is 749858359. The reversal of 749858340 is 43858947.

749858340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 749858340.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 465817 + ... + 467423.

It is an arithmetic number, because the mean of its divisors is an integer number (13777344).

Almost surely, 2^749858340 is an apocalyptic number.

749858340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749858340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1322625024).

749858340 is an abundant number, since it is smaller than the sum of its proper divisors (1895391708).

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

749858340 is a wasteful number, since it uses less digits than its factorization.

749858340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738 (or 1736 counting only the distinct ones).

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

The square root of 749858340 is about 27383.5414072030. The cubic root of 749858340 is about 908.5030898579.

The spelling of 749858340 in words is "seven hundred forty-nine million, eight hundred fifty-eight thousand, three hundred forty".