749287875840 has 1152 divisors, whose sum is σ = 2958995128320. Its totient is φ = 157925376000.

The previous prime is 749287875797. The next prime is 749287875841. The reversal of 749287875840 is 48578782947.

It is a super-2 number, since 2×749287875840² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749287875841) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2440676967 + ... + 2440677273.

It is an arithmetic number, because the mean of its divisors is an integer number (2568572160).

Almost surely, 2^749287875840 is an apocalyptic number.

749287875840 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 749287875840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1479497564160).

749287875840 is an abundant number, since it is smaller than the sum of its proper divisors (2209707252480).

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

749287875840 is a wasteful number, since it uses less digits than its factorization.

749287875840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 252887040, while the sum is 69.

The spelling of 749287875840 in words is "seven hundred forty-nine billion, two hundred eighty-seven million, eight hundred seventy-five thousand, eight hundred forty".