749448700 has 144 divisors (see below), whose sum is σ = 2183860224. Its totient is φ = 215596800.

The previous prime is 749448697. The next prime is 749448709. The reversal of 749448700 is 7844947.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749448709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96357 + ... + 103843.

It is an arithmetic number, because the mean of its divisors is an integer number (15165696).

Almost surely, 2^749448700 is an apocalyptic number.

749448700 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 749448700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1091930112).

749448700 is an abundant number, since it is smaller than the sum of its proper divisors (1434411524).

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

749448700 is a wasteful number, since it uses less digits than its factorization.

749448700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7532 (or 7525 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 749448700 is about 27376.0607100437. The cubic root of 749448700 is about 908.3376243847.

The spelling of 749448700 in words is "seven hundred forty-nine million, four hundred forty-eight thousand, seven hundred".