750099840 has 512 divisors, whose sum is σ = 2996352000. Its totient is φ = 158957568.

The previous prime is 750099829. The next prime is 750099871. The reversal of 750099840 is 48990057.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 750099792 and 750099801.

It is a congruent number.

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, 11195487 + ... + 11195553.

It is an arithmetic number, because the mean of its divisors is an integer number (5852250).

Almost surely, 2^750099840 is an apocalyptic number.

750099840 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 750099840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1498176000).

750099840 is an abundant number, since it is smaller than the sum of its proper divisors (2246252160).

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

750099840 is a wasteful number, since it uses less digits than its factorization.

750099840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 750099840 is about 27387.9506352702. The cubic root of 750099840 is about 908.6006104761.

The spelling of 750099840 in words is "seven hundred fifty million, ninety-nine thousand, eight hundred forty".