749100 has 72 divisors (see below), whose sum is σ = 2374848. Its totient is φ = 180800.

The previous prime is 749093. The next prime is 749129. The reversal of 749100 is 1947.

It is a super-2 number, since 2×749100² = 1122301620000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3187 + ... + 3413.

It is an arithmetic number, because the mean of its divisors is an integer number (32984).

2⁷⁴⁹¹⁰⁰ 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 749100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1187424).

749100 is an abundant number, since it is smaller than the sum of its proper divisors (1625748).

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

749100 is a wasteful number, since it uses less digits than its factorization.

749100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 749100 is about 865.5056325640. The cubic root of 749100 is about 90.8196726831.

The spelling of 749100 in words is "seven hundred forty-nine thousand, one hundred".