750749400 has 144 divisors (see below), whose sum is σ = 2544267960. Its totient is φ = 198374400.

The previous prime is 750749353. The next prime is 750749423. The reversal of 750749400 is 4947057.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 201555 + ... + 205245.

Almost surely, 2^750749400 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 750749400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1272133980).

750749400 is an abundant number, since it is smaller than the sum of its proper divisors (1793518560).

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

750749400 is a wasteful number, since it uses less digits than its factorization.

750749400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826 (or 3814 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 750749400 is about 27399.8065686603. The cubic root of 750749400 is about 908.8628068317.

The spelling of 750749400 in words is "seven hundred fifty million, seven hundred forty-nine thousand, four hundred".