749700 has 162 divisors, whose sum is σ = 2894346. Its totient is φ = 161280.

The previous prime is 749677. The next prime is 749701. The reversal of 749700 is 7947.

749700 = T₆₉ + T₇₀ + ... + T₁₆₈.

749700 is a nontrivial binomial coefficient, being equal to C(1225, 2).

It can be written as a sum of positive squares in 3 ways, for example, as 112896 + 636804 = 336^2 + 798^2 .

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (749701) by changing a digit.

749700 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 44092 + ... + 44108.

2⁷⁴⁹⁷⁰⁰ is an apocalyptic number.

749700 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

749700 is the 1224-th triangular number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447173).

749700 is an abundant number, since it is smaller than the sum of its proper divisors (2144646).

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

749700 is a wasteful number, since it uses less digits than its factorization.

749700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 749700 is about 865.8521813797. The cubic root of 749700 is about 90.8439138887.

The spelling of 749700 in words is "seven hundred forty-nine thousand, seven hundred".