749907500 has 60 divisors (see below), whose sum is σ = 1661093280. Its totient is φ = 296088000.

The previous prime is 749907469. The next prime is 749907511. The reversal of 749907500 is 5709947.

It is a happy number.

749907500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×749907500² = 1124722517112500000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 195602 + ... + 199398.

It is an arithmetic number, because the mean of its divisors is an integer number (27684888).

Almost surely, 2^749907500 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 749907500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830546640).

749907500 is an abundant number, since it is smaller than the sum of its proper divisors (911185780).

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

749907500 is a wasteful number, since it uses less digits than its factorization.

749907500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900 (or 3883 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 749907500 is about 27384.4390119644. The cubic root of 749907500 is about 908.5229429571.

The spelling of 749907500 in words is "seven hundred forty-nine million, nine hundred seven thousand, five hundred".